Eagle Creek Trail #440 to Wahtum Lake

Eagle Creek Trail #440 to Wahtum Lake is a 25.5-mile out-and-back from Eagle Creek Trailhead, about 12.75 miles each way. It follows the gorge above Eagle Creek, threading basalt cliff ledges and waterfall country before a long forest climb to the lake. The round trip involves about 5,200 feet of ascent. This is a very strenuous, full-day commitment; many hikers split it into an overnight rather than hike the full route there and back in one push. Choose it for the complete change from a close-up waterfall corridor to a high-country lake, not for a quick waterfall outing.

The lower trail hugs a forested basalt cliff above Eagle Creek’s narrow slot canyon, with small side waterfalls joining the stream. Punch Bowl Falls is reached by a side trail around two miles in; the main route continues, so it is not the turnaround for this itinerary. High Bridge, about three miles from the trailhead, crosses a narrow gorge roughly 150 feet above the creek. The bridge and waterfall corridor draw most day visitors, and summer weekends can be busy. Some cliff sections have no handrails; the tread narrows at exposed ledges, so the route demands attention even before the sustained climb begins.

The trail continues through the canyon to Tunnel Falls, roughly seven miles from the trailhead, though route descriptions differ by about a mile. The path is cut into the rock behind falling water, a striking but narrow section that can be slick with spray. Twister Falls lies a short distance farther, where a rock spine divides the stream before the flow joins again. From there, the walk stretches onward into forest and climbs steadily toward Wahtum Lake. Eagle Creek Trail reaches the west shore at its junction with the Pacific Crest Trail; a PCT loop is a different trip. High Bridge looks down into the slot, while Tunnel Falls and the lake offer the route’s signature water-and-rock views.

Allow roughly 14–16 hours to hike the full return route in one day, or plan an overnight if that pace is unrealistic; the time field uses a 15-hour point estimate with ordinary stops. A Recreation Pass is required at the trailhead, and a free self-issued Mark O. Hatfield Wilderness permit is required from the boundary around mile five. Dogs may be on leash no longer than six feet, though this exposed, lengthy walk is not recommended for most dogs. Start at Eagle Creek Trailhead at the end of NE Eagle Creek Loop. The small trailhead lot may fill; overflow parking by the road-side restrooms and fish hatchery adds about a mile round trip. There is no food or water service along the route. Cascade Locks, a separate drive east, has restaurants and ice cream after the hike.