cottonwood

Cottonwood is a access on South Fork Snake River, Idaho.

Also called Fullmer, Fulmer, Fulmer Boat Access and Cottonwood Boat Ramp.

It is fishable and launchable.

BLM lists the USFS site as 'Fullmer' at river mile 28; Orvis and Perfect Fly Store call it Cottonwood; Backcountry Post: 'Cottonwood (aka Fulmer)'. Split of the Canyon Section.

It is on the stretch Canyon Section.

It is upstream of Wolf Flat.

It is downstream of Conant.

Floats that start here: Cottonwood to Byington (Lower Canyon), from Cottonwood to Byington, 11 miles.

Floats that end here: Conant to Cottonwood, from Conant to Cottonwood, 13.8 miles.

Sourced from 6 sites.

Sources: backcountrypost.com, Bureau of Land Management (retrieved 2026-10-20), fishingreports.orvis.com, The Perfect Fly Store (retrieved 2026-10-20), southforklodge.com (retrieved 2026-10-29) and trroutfitters.com (retrieved 2026-10-29).

Access, closures and rules change; check with the state agency before you go.