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Outdoor Housing for Stars
and other dry area tortoises

I am fortunate to live in a warm climate, so my tortoises
get to spend a lot of time outside. :O)
Stars outside
Tortoises love being outside! Outdoors, they can "live a tortoise life" exploring, grazing, and basking. Try to provide an outside pen for your Stars, even if you only have a balcony. Nothing beats real sunshine!
Caution: Tortoise enclosures placed on balconies and terraces can overheat quickly! Do provide shady hiding areas and check the temperatures within the pen.
I keep my Sri Lankan and Burmese Star tortoises outside when the temperature is at least 70 °F (21 °C). If the sun feels very warm and it's not windy, I also often put them out when the temperature stays above 65 °F. For very small babies, like hatchlings, you might want to wait until it's closer to 75 °F (24 °C).
Ideally, never keep Star tortoises outside overnight if the temperature falls down to 60-65 °F (15-18 °C), unless they have a heated house they can retreat to.
I do not leave my Star tortoises out overnight for temperature and security reasons. Evenings, when they come back in, they usually get a quick bath for wash-up and rehydration.
Star pens
It's a good idea to supply the tortoises with plenty of plants to eat and hide under, variations in the ground level, several shady hiding places, and a choice of substrates. Obstacles, like rocks or logs, and small mounds of dirt create many different paths for the tortoises to follow.
Typically, Indian / Sri Lankan and Burmese Star tortoises like to hide under bushes. Beneath the scrubs, they may scrape the surface of the soil a bit, but that's it. All my Stars love to hide under grassy bushes when outdoors. :O)
For babies and small juvenile tortoises, the enclosure should have a predator proof cover.

Bird and deer netting allow plants to grow
through them for a more natural looking landscape. Netting is ok for temporary day time use, but it's not strong enough as a permanent predator barrier.
Most Indian / Sri Lankan and Burmese Star tortoises are not superior climbers and won't be able to scale stone or wood pen walls, unless the wall has some kind of footholds. Avoid keeping any climbable objects or plants next to the enclosure walls. Scroll down to the bottom of the page for some cautionary photos.
Note: You have to be careful with good climbers like Box turtles and Russian tortoises which also like to dig. Climbers need pens with high, escape proof walls and/or covers, and diggers need a dig proof ground cover (under the soil) or perimeter.

The mushroom garden statues, small patio tables, and step stools not only provide additional shade but also support the netting. In hot weather, you can place water bowls in the shade under the tables to keep the water cooler.
Avoiding cross contamination
I don't keep huge tortoise species, so I like to build my outdoor tortoise runs long and fairly narrow. This way I can reach all parts of the pen without having to step into it. This helps avoid cross contamination between pens of different species. However, I don't want the pens too narrow either. That may encourage tortoises to pace the walls instead of exploring the enclosure.
Now, if I only kept one tortoise species and had only one outdoor pen, I would build it large, roundish, wide, and with irregularly shaped walls (not straight). Wide areas with irregular borders would look and feel more natural to the tortoises.
With very large tortoise pens, it's useful to have a pair of garden clogs next to each pen. Having a designated pair of shoes for each enclosure helps prevent transferring microorganisms and parasites between pens (e.g. poop stuck to shoe bottoms). Remember to wash your hands thoroughly in between, too. Also, do not share water and food dishes between different pens, and especially not between different species.
When building isolation pens or pens for different species, it's a good idea to leave several feet of buffer zone (empty area) between the pens to avoid cross contamination. The wider, the better. For example, if the pens share a wall, soiled water may seep from one pen to another.
I give each tortoise species its own reserved area of the backyard. I don't mix species or overlap their outdoor living quarters.

All these pens have buffer zones around them. Using buffer zones helps prevent cross contamination, but it requires a larger total area and more blocks to construct the pens.
Predators
Birds and neighborhood cats are the only predators I (may) have to worry about, so I cover my little tortoises' pens with bird netting, deer fence netting, or plastic hardware cloth.
Bird netting is cheap, almost invisible from far away, available in many widths, can be cut with scissors, and it prevents cats from using the tortoise pens as their toilets.
However, bird netting is not sturdy enough to keep serious predators away, especially if you leave your tortoises outside overnight. I don't. I bring all my tortoises in at night.
Pay attention to the strength and quality of the mesh, not all bird netting is the same. Some bird nets are made of weaker material that may tear. Also, plastic nets may degrade in the hot sun over time.
Deer fence netting is made of thicker, stronger plastic than bird netting, but it usually has larger mesh openings. It's stiffer and easier to work with than flimsier bird netting which gets caught on every little snag and spur. Deer netting may be too narrow to cover wide pens, but smaller pieces can be joined together with zipties to cover larger areas.
The enclosure cover netting should be securely attached. Otherwise, dogs, cats, and other potential predators may rip it off or sneak into the pens under the netting. I weigh the netting down by putting several stone blocks around the pen. Garden stakes can also be used to secure the nets.
The safest outdoor enclosure cover would be tightly woven steel hardware cloth, or something similar, in a strong cover frame securely attached to the pen. Steel hardware cloth is resistant to gnawing by rodents and other sharp teethed animals.
Warning: Bird netting is NOT strong enough to hold dogs, especially larger ones, off the tortoises. Be very, very careful if you have dogs, and protect your tortoises at all times. Dogs love to chew tortoises!
Security
As disheartening as it is, tortoise thefts do occur! For this reason, some tortoise breeders like to keep their exact location unknown and may meet buyers only in public places. Tortoises kept outdoors over night are most likely targets for thieves.
I use a video monitoring system that allows me to observe my Star tortoise outdoor pens from inside my house. Just in case. For news stories about tortoise thefts, see the links page under "outdoor housing."
Outdoor hides
Hollow, artificial landscape rocks made of plastic can be used as outdoor tortoise hides (pic of medium size Fieldstone Rock ). All you need to do is to cut a door opening. These faux rocks look realistic and blend in well in outdoor enclosures. In warm climates, it's better to place them in a more shady area. Otherwise, they may become way too hot inside in the blasting sun. They can also be called replicated rocks, mock rocks, faux stones, fake landscape rocks, septic cap covers, or utility box covers.
I create several hiding places in each enclosure. For smaller tortoises, I mostly use hollow wooden logs and wooden step stools as outdoor hides. I also utilize plastic garden side tables, often with legs shortened, to create shady areas. Tables let the wind through, won't trap heat, shade water dishes, and support the cover netting.
My Burmese and Sri Lankan Star tortoises use their manmade outdoor hides every now and then, but they especially like to hide under small bushes or tufts of grass. All my Star tortoise enclosures have clumps of taller grass for this purpose.
If you live in a cool climate, you want to use outdoor hiding places that provide warmth. Small garden cold frames , aka miniature greenhouses, are popular in northern Europe as tortoise houses. Cold frames protect plants, or tortoises, from cool weather and wind. They have sloped, clear roofs and stay 5-10 °F warmer than the outside air. They should face south for maximum sun exposure. Garden poly tunnels , semicircular polyethylene covers used to grow plants in temperate climates, are another choice.
During cold weather, you'll need a heated tortoise house to keep Star tortoises outside. Scroll down to "Heated tortoise houses" for examples.

It's a good idea to provide sight barriers in tortoise pens. They make the enclosure more interesting and help tortoises escape from each other to enjoy some peace. Here, extra blocks and clumps of grass are used for this purpose.
Stone block pens
I have used wooden pens, chain link pens, and stone block tortoise pens outdoors. Decorative stone blocks are my favorite material to use. They look great, but are fairly expensive to buy in large quantities. Plus, they are very heavy to haul.
I like enclosures build with natural looking stone blocks better than ones made with plain concrete construction bricks, aka cement or cinder blocks. I just casually place the stones on top of each other. This makes my backyard look like it's full of ancient Greek or Roman ruins. Maybe an archeological dig site. :O)
Stone block pens can be build in any shape, moved, and enlarged as needed. Good advantages. Small tortoises cannot push or move these blocks because they weigh about 20 lb each. Stone blocks also retain heat from the sun.

Stone pen with edible plants. Mostly, I just sprinkle plant seeds into the tortoise pens, water them, and they grow! :O)

On warm days, I water my tortoise pens early in the morning. On really hot summer days, I water the pens during the day as well to help keep them cooler and less dry. Can you find any Stars in the photo?
Wooden pens
Wooden outdoor pens are popular because they are fairly inexpensive. They are not difficult to build and can be made in any size and height.
The main problem with wood pens is that they have to be bottom or perimeter proofed for digging tortoises. If the bottoms of the walls are not well secured, strong tortoises can easily push themselves under them and slip away. Or, just dig under the walls and escape.
Covered corners (pic) provide shady hiding places and help prevent any climbing attempts. Enclosure corners are favorite climbing spots for tortoises who like to scale walls. This type of enclosure works well for Star tortoises because they are not big diggers or wall climbers.
Below is an example of a simple wooden tortoise enclosure. If you use good quality wood to build the pen, it will last many years. This pen looks very weathered because it's almost 20 years old!

Wooden pen for tortoises
Concrete block pens
Large, concrete construction blocks (16"x8"x8") with hollow cores are a popular, easy to use building material for outdoor tortoise pens. They can also be called concrete masonry units, foundation blocks, cement blocks, cinder blocks, or breeze blocks. Concrete blocks can be be gray or brown in color. All you need to do is to stack them. You can finish the top of the wall with thinner 2" block caps to hide the holes on the top of the walls.
These blocks are very heavy, 20-30 lb each, and require no mortar to install, unless your tortoises are jumbo size or super excavators. For example, big sulcatas can push the walls down and burrowing tortoises may dig under the block walls to cause them to collapse.
Concrete blocks cost less than $1 a piece, but they are not very attractive looking. A more appealing looking alternative to plain concrete blocks are slump block units (concrete slumpstone blocks). They are available in various sizes, shapes, and colors. They have a slightly slumped appearance and may look like chiseled stone or old adobe bricks. The surface is usually textured.
Wood or plastic timber kits
A fast and easy way to construct an outdoor enclosure for a baby or small tortoise is to use ready-made sandbox or raised garden bed kits made from wood or composite plastic timbers. These kits are easy to put together. Plastic timber pens require no maintenance and they last practically forever because they do not rot. They tolerate rain, heat, and frost.
Some raised bed garden kits even have a wire net bottom and a top frame. Others come with a canopy frame. All you need to do is to attach some wire mesh or netting to the top.
If you use wire netting with large gaps, like chicken wire, on the bottom of the outdoor pen and your tortoise is an energetic digger (Stars are not), be sure to put a thick layer of dirt on top of it. Otherwise your tortoise may dig down to the wire mesh and get caught in the netting.
Rabbit pens
For small baby tortoises who are not diggers or climbers, a large rabbit cage can be used as temporary outdoor tortoise pen. Some larger rabbit runs even have an attached wooden hutch that looks like a dog house.
In hot climates, the hutch part of the pen should be positioned in a shady spot to prevent overheating in the sun. Check the temperature inside the hut to be sure. For added stability and safety, you can stake the pen to the ground with dog exercise pen stakes or garden pins.
For babies or a small tortoise, the Ware Premium+ Backyard Hutch (pic) small animal pen could be used as a secure, temporary outdoor enclosure. It can be placed on a grassy area to provide natural grazing. For safety, stake it down if your tortoise is an avid digger (other than Star). The pen size is 53.5" x 24.5" x 21" providing a 1311 sq in ground/floor area.
Zoo Med also makes a wooden, triangular shaped Tortoise Play Pen (pic). This covered pen is even smaller at 39.5" x 19" x 16" (751 sq in) and only suitable as a temporary pen for little ones. It's available on amazon and ebay (direct links to pen).
Dog crates and pens
For babies and small tortoises, dog play pens and large dog crates can be used as temporary outdoor enclosures. Steel dog crates provide all around protection against predators like dogs, cats, and big birds. They also prevent the digging of escape tunnels at the bottom. Just remove the metal or plastic crate pan and cover the floor grid with dirt so that it won't get hot in the sun and burn your baby. Always provide shade. Largest dog crates are about 60" (152 cm) long.

Dog playpen used as a temporary isolation pen. This North States Superyard pen folds up when not in use, can be build in any shape, and can be enlarged to any size by purchasing extra wall panels. It works with Stars, but it's not suitable for tortoises who like to dig and climb. For extra security, the walls can be staked to the ground and bird netting can be attached to the top.
Dog runs & chain link fences
I have also used chain link dog kennel runs as outdoor tortoise enclosures, but I find them rather unattractive looking in common areas due to them being so high. A less intrusive alternative is to build tortoise pens with low height chain link fence mesh. Vinyl coated mesh is available in several heights and colors. On the other hand, if you'd like to build a high walled, covered, walk in tortoise pen, chain link panels are perfect for that.
For diggers, secure the pen perimeter by placing bricks or other dig proof materials along the wall below the surface level. To prevent your tortoise seeing through the chain links and trying to get out through them, cover the bottom of the run about a foot high with wooden boards, plants, or chain link fence slats. You can also plant grasses or vines along the edges as a vision barrier. A top netting or wire panel may be added to make the pen predator proof.
Heated tortoise houses
If you leave your tortoises out in colder weather, they will need a heated house. Dog houses
can be used as easy, ready-made tortoise dens. Choose a dog house that is insulated all around, including floor, walls, and roof. All you need to do is to add a heating system for warmth and possibly a ramp for tortoises to get in and out. If the house has no door, you can install both a solid door for night time and a clear plastic strip door for day time.
Plastic houses are easier to clean and disinfect, but they can get very hot in the sun. Wooden houses are likely to absorb tortoise pee and poop, and thus more difficult to clean.
During the hot summer months, keep the dog house in a shaded area and install a top flap for air exchange if needed. Use a thermometer to check that inside temperatures stay at acceptable levels both during summer and winter.
You can even buy a dog house climate control system (e.g. Hi Tech Building Systems, Climate Right [pic]) with an adjustable thermostat. It heats and cools the air, and runs off a standard wall socket or a generator. This type of heater is portable and can be used to heat small outdoor buildings like dog houses and tortoise sheds. It installs on the outside of the building, not inside. Much safer!
Other outdoor tortoise house heating choices include ceramic heat emitters (bulbs that provide heat only, no light), radiant heat panels (great for background heating, installed on ceiling or wall), farm animal floor heat mats (pig blankets), and hound heaters (dog house furnaces). Use a thermostat with ceramic heat emitters, radiant heat panels, and pig blankets to prevent overheating.
When installing ceramic heat emitters and other heat bulbs on the inside of the tortoise house, be careful. You don't want your tortoise to burn himself or the heating unit to become a fire hazard. If you are using a dog house with high pitched, removable roof, you can put a sheet of metal mesh in as a lower, inner ceiling, and then install the heat lamp above it.
Zoo Med recently put a new heat mat on the market, the
ReptiTherm Habitat Heater . Unlike other Zoo Med ReptiTherm heaters, the Habitat Heater is not an undertank heat mat, but a large (18"x18"), rigid plastic mat. It's a 40W pig blanket type heat pad with an automatic, thermostatic shutoff to prevent overheating. This heater is suited for larger tortoises' outdoor houses. You can place it on the floor or attach it to the wall or ceiling of the house.
All heated outdoor housing should be escape proof, especially at night when you can't see them, and the heating system should be protected against electrical failure. Otherwise, your tortoises may be exposed to freezing temperatures and suffer serious injuries, or even death.
If you cannot keep tortoises inside your house during the winter, insulated outdoor sheds with backup heaters or warm garages with heated tortoise tables may be the safest way to go in cold climates.
Cautionary photos
In general, Star tortoises are not very good climbers, but even they may scale the enclosure walls with help of furniture or plants positioned too close to the walls. Remember to place all pen items away from the walls.

This agile little fellow is using the flower pot for support to climb up the wall. See more photos of him.

My little Burmese Stars liked to hide under this grass bush. So, I let it grow even though it was close the wall. One day I found one of the babies on top of the stone wall. He had used the grass bush like stairs to climb up. He did it twice on one day. Smart little guy. If I didn't have the netting on top, he would have escaped. Needless to say, I cut that grass down.
Moving tortoises between pens
Natural tortoise rearing proponents are strongly against moving tortoises between indoor and outdoor pens on a daily basis. Some tortoises do find this kind of environmental change distressing while others are fine with it. 
Interestingly, I found an article on husbandry and breeding of Golden Greek tortoises that addresses this issue. It was written in 2007 by David S. Lee and Mike Lowe of the Tortoise Reserve.
Excerpt: "Group wintering indoors: Despite being moved in and out, and from pen to
pen on a regular basis these turtles show no sign of stress and seem
content with the routine, often feeding and mating within minutes of
being moved. This is contrary to what some authors have suggested as
they insist that the captive tortoises should be handled and moved as
little as possible in order to assure consistency and to achieve maximum
reproductive success."
I move my tortoises in and out daily. My Stars seem to have adapted to it without problems. Switching between indoor and outdoor pens is a familiar routine for them.
The keyword here is "routine." Whatever you do with your tortoises, it's best to develop a schedule for it. Tortoises like familiarity and routine. New, unknown places and unexpected changes in their daily life are stressful for them.
More examples
For more examples of outdoor tortoise enclosures, go to the outdoor pens page.
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