arrowrock-reservoir
Arrowrock Reservoir is a feature on South Fork Boise River, Idaho.
The river 'loses its identity a few miles below Neal Bridge, where it becomes Arrowrock Reservoir' (Fly Fisherman).
It is on the stretch Danskin Bridge to Neal Bridge.
It is downstream of Neal Bridge.
Sourced from 3 sites.
Sources: fishingreports.orvis.com (retrieved 2026-10-20), flyfisherman.com (retrieved 2026-10-29) and The Perfect Fly Store.
Access, closures and rules change; check with the state agency before you go.