Optimal flow range (flows based on 2014 Colorado Basin Flow Study).
Last Chance Rapid is formed by a boulder in the center of the river.
At low-medium flows (3000-4000 cfs), left and right runs are both possible, but the right side is steep and bumpy.
Rapid
N/A
Rapid
N/A
Rapid
II
Rapid
N/A
Rapid
N/A
Rapid
N/A
Rapid
N/A
Rapid
N/A
Rapid
II+
Rapid
N/A
Rapid
N/A
Rapid
III
Rapid
III
Rapid
III
Rapid
III
Rapid
III
Rapid
IV
Rapid
III
Rapid
III
Rapid
N/A