Alder Flat (Clackamas River)
VerifiedBeginner (0-30 ft)45.08373, -122.05758
Confirmed by 0 jumpers
A midstream rock formation on the Clackamas River inside Mt. Hood National Forest, reached by a short trail and used as a natural jump platform.
Jumps at this location
Jump 1
15 ft
10 ft water depth
Beginner (0-30 ft)
Warnings
Rapids immediately above and below the pool; current is fast at anything above low summer flow.
Access
Alder Flat Trailhead off Highway 224; roughly a half-mile hike to the river.
Best conditions
Mid-to-late summer once the river has dropped from spring runoff.
Submitted by SmartLeap Field ResearchVerified Aug 6, 2026