canyon-country
Canyon Country is a stretch on Henrys Fork, Idaho.
Also called Canyon Waters and Mesa Falls Byway (the Canyon).
It is fishable and launchable.
Big Sky Anglers' report heading for the whitewater canyons between the Ranch and Warm River (inflatable raft recommended). Henry's Fork Anglers calls the same grouping 'Canyon Waters'. Contains Cardiac Canyon.
It is upstream of Warm River to Ashton.
It is downstream of Harriman State Park.
Sourced from 3 sites.
Sources: bigskyanglers.com, bigskyanglers.com (2), henrysforkanglers.com and trroutfitters.com.
Access, closures and rules change; check with the state agency before you go.