Not far from the Columbia River Gorge town of Hood River, Oregon, there's a trailhead with a difference. Before you even lace up your boots, you can wander into a century-old hydroelectric building — windows smashed, walls layered in graffiti, a few gaps opening onto the floor below. The Hood River Pumping Station generated power for the town from 1923 until a flood wiped out its upstream dam in 2006, and it has sat as a decaying relic ever since. Urban explorers love it; photographers even more so.

The building doubles as the start of the Hood River Pipeline Trail, a roughly three-mile out-and-back walk that earns its name from the abandoned pipes and pipe structures running alongside it, many of them brightly tagged with street art. The route begins along a path next to railroad tracks, which sounds unglamorous — until you reach the star attraction.

That's the catwalk. The trail crosses directly over the Hood River on an elevated steel walkway, then keeps climbing into the trees, turning into a raised boardwalk-style path that follows the river through the forest canopy. Walking above the water with the old pipeline for company is the kind of detail that makes this hike far more memorable than its modest length suggests.

Hood River itself is a well-known base for outdoor trips — windsurfing and kiteboarding on the Columbia, orchards on the surrounding hills, and easy access to Mount Hood. This trail adds a quieter, slightly gritty option to that list: part industrial ruin, part riverside stroll, all of it free.

A few honest caveats. The pumping station is genuinely derelict, so watch your footing inside — broken glass and holes in the floor are real hazards, and it's best treated as look-but-don't-climb. Wear sturdy shoes for the trail, and bring a camera; the contrast of graffiti, rusting machinery and green riverside forest is the whole appeal.

For travellers driving the Columbia River Gorge between Portland and eastern Oregon, this is an easy half-day detour that pairs well with a lunch in downtown Hood River. It suits casual hikers who want something short and scenic, photographers chasing textures and decay, and anyone who likes their walks with a side of local history.