Just off US 26, 10 minutes from downtown Portland (traffic willing), is Yeti’s Tree House, where a long suspension bridge leads to a large deck and stock-tank soaking pool. Within, find pine paneling, a kitchenette outfitted with aquamarine appliances, a full bathroom, and a sleeping loft complete with a lounge hammock. (For the downhill journey, hop on the zip line.)

In a quiet grove of trees outside Sandy sits cozy Izer Treehouse, a Wi-Fi- and TV-free hideaway with a composting toilet and limited power provided by rechargeable batteries. A bartop made from juniper provides back-deck views over the Bull Run River.

In the Columbia River Gorge, just above White Salmon, high-design Klickitat Tree House is all white walls and pops of black. The couch is leather, the ceramics are hand-thrown, and the windows perfectly frame nearby Mount Adams.

A secluded stand of ponderosas just north of the Gorge hosts this Goldendale treehouse, which is 34 feet off the ground at its highest point and boasts warm cedar-shake siding, an interior lined with salvaged wood, and a mostly private toilet on the deck (Airbnb users attest to its excellent views).

Up by Ashford, Washington, just over two hours from Portland and within spitting distance of Mount Rainier, is a light-flooded, kitted-out Nelson Treehouse job (think heat, AC, and high-speed Wi-Fi). Filled with custom-milled finishes, Treehouse Mount Rainier is also home to one of the best-equipped treehouse kitchens we’ve seen.

Outside Cave Junction, Southern Oregon treehouse hotel Out ’n’ About Treesort is a veritable Ewok village of funky designs, with zip lines, rope swings, and horseback rides extending the summer-camp vibes. These playful structures—15, at last count—are the work of Michael Garnier, who’s spent more than 30 years perfecting his idiosyncratic art of treehouse design.