ashton-tailwater

Ashton Tailwater is a stretch on Henrys Fork, Idaho.

Also called Sealy's, Ashton Dam to Chester and Henry's Fork - Ashton Tailwater.

It is fishable and launchable.

Ashton Dam to Chester Dam. Orvis 'No Nonsense' Idaho guide table of contents titles the chapter "Henrys Fork-Ashton Dam to Chester ('Sealy's')" -- single source for the nickname; keep low confidence.

It is upstream of Lower Henry's Fork.

It is downstream of Warm River to Ashton.

Sourced from 4 sites.

Sources: bigskyanglers.com, cdn.orvis.com (retrieved 2026-10-20), henrysforkanglers.com and The Perfect Fly Store (retrieved 2026-10-20).

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