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The White Oak Treehouse at Timber Ridge Outpost & Cabins is built into a White Oak that’s more than 210 years old, 24 feet above the ground near Shawnee National Forest in southern Illinois. Rather than standing beside the tree, the structure wraps around the trunk with decks, a private entrance, and a sleeping loft under exposed rafters.
What makes it worth a close look is how the living tree is treated as part of the architecture, while the interior still works like a small home, with a bathroom, kitchenette, and heating and cooling.
Built Around a 210-Year-Old Oak
Instead of standing on posts beside the tree, the White Oak Treehouse is built into the tree itself, with the trunk and branches part of the design. That is the key decision: the oak isn’t a backdrop, it’s the anchor of the whole structure, and everything else is arranged around it. For anyone planning an elevated build, it’s a reminder that the tree you choose, and how respectfully you work with it, shapes every other design choice.
Decks and a Staircase Up to the Canopy
A staircase climbs to a private entrance and two sitting decks, putting you right up among the leaves. Decks do double duty on a build like this: they extend a small interior outward and give the structure a way to sit comfortably around the trunk and branches. One deck even has a tree branch growing through the railing, a detail that shows the builders worked around the living tree rather than cutting it back. In winter, the snow-covered branches make it feel like a cabin floating in the woods.
A Compact Main Floor With Real Comforts
Inside, the main floor packs a sofa, a dining table, and a kitchenette with a cooktop, a convection microwave, a toaster, a coffee pot, and a refrigerator. A full-size Easy Bed adds sleeping space, and there’s high-speed fiber internet and a Roku TV. Keeping everyday living on one level and sleeping above it is a classic small-space move, and it keeps the footprint in the tree manageable.
A Loft Under the Rafters
Upstairs, the open loft has a queen bed and a full-size mattress under exposed rafters, with a tree branch right by the railing. Leaving the rafters visible keeps the loft feeling open and shows off the framing, and the branch at the railing is a reminder that you’re sleeping in the tree. The bathroom has a shower and toilet, so there’s no trip down to a bathhouse in the middle of the night.
The Ground Below: Campfires and Forest
Down on the ground, there’s a campfire area with firewood and camp chairs provided, plus a grill, a picnic table, and a hammock. Putting the outdoor living at the base of the tree means the treehouse itself can stay compact. The surrounding Shawnee National Forest is known for hiking spots like Garden of the Gods.
Design Details
- Structure: treehouse built 24 feet up in a White Oak more than 210 years old
- Layout: main floor with sofa, dining table, and kitchenette; open sleeping loft under exposed rafters
- Access and outdoor space: staircase to a private entrance, two decks, and a tree branch at the railing
- Bathroom: shower and toilet
- Kitchenette: cooktop, convection microwave, toaster, coffee pot, refrigerator
- Comfort: heat and air conditioning, fiber internet, Roku TV
- Beds: queen bed and full mattress in the loft; full-size Easy Bed on the main floor
- Setting: southern Illinois, near Shawnee National Forest
What Makes This Build Special
- The tree is part of the design: the trunk and branches are built into the structure, not just nearby.
- Decks and a staircase make a private, ground-to-canopy entrance that extends a small interior outward.
- Exposed rafters keep the loft open and let the framing be part of the look.
- Full comforts (bathroom, kitchenette, heat and AC) show an elevated build doesn’t have to be rustic.
- Outdoor living stays on the ground, so the footprint in the tree stays compact.
Stay Details
- Location: Timber Ridge Outpost & Cabins, 546 N Iron Furnace Rd, Elizabethtown, Illinois
- Sleeps: 4 to 6 (strictly no more than 6)
- Outdoors: campfire area, grill, picnic table, hammock
Learn More
Timber Ridge Outpost & Cabins
Treehouses: timberridgeoutpost.com/treehouse · timberridgeoutpost.com
Phone: 618-264-9091
Instagram: @timberridgeoutpost
Photos: Timber Ridge Outpost.
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Would you build your home around a 210-year-old oak?
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Disclosure: This post may contain affiliate links. If you purchase through one of our links, we may earn a commission at no additional cost to you.
Alex
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