High Rocks Park (Clackamas River)
VerifiedBeginner (0-30 ft)45.37972, -122.58278
Confirmed by 0 jumpers
Basalt ledges above a deep channel of the Clackamas River in Gladstone, long known as an unofficial jump spot despite river conditions that multiple sources flag as genuinely hazardous.
Jumps at this location
Main jump
20 ft
Beginner (0-30 ft)
Upper ledges
25 ft
Beginner (0-30 ft)
Warnings
Undercut bank below the takeoff traps feet; hidden underwater ledges; strong current under a calm-looking surface; 66F water even in a heat wave. Historically 2-4 deaths per year. Crossing the train trestle is illegal.
Access
High Rocks Park, 25 82nd Dr, Gladstone — public park with parking and stairs down to the riverbank.
Best conditions
Only in low, warm summer flow — this stretch runs dangerously fast and cold the rest of the year.
Submitted by SmartLeap Field ResearchVerified Aug 25, 2026