Blacktail cliffs (Ririe Reservoir)
UnverifiedBeginner (0-30 ft)Intermediate (31-60 ft)Expert (60+ ft)43.58200, -111.74200
Confirmed by 0 jumpers
Basalt walls on the north end of Ririe Reservoir below Blacktail Park, 20 minutes from Idaho Falls. A trail from the south end of the parking lot runs along the cliffs with takeoffs from a few feet up to an 80-foot wall that shows up in every eastern Idaho jump video.
Jumps at this location
Low ledges
15 ft
Beginner (0-30 ft)
Mid wall
35 ft
Intermediate (31-60 ft)
Big wall
80 ft
Expert (60+ ft)
Warnings
The 80-footer is expert only and the reservoir draws down through summer, changing depth under every ledge. Heavy wake-boat traffic on weekends.
Access
Blacktail Park off Ririe Reservoir Road east of Idaho Falls (Bonneville County day-use fee). Walk the trail from the south end of the parking lot along the cliffs; boaters anchor below.
Best conditions
July and August when the reservoir is full and warm.