The Blanco is Coyhaique's convenient local water — a modest glacial-volcanic freestone stream close enough to town for an afternoon session rather than a full expedition. Brown and rainbow trout hold in runs and pocket water typical of the region's smaller freestone rivers, and they respond well to the same big terrestrial patterns that carry the Aysén trout season — foam hoppers, Chernobyl Ants, Fat Alberts — worked tight along undercut banks in summer. It won't produce the biggest fish in the region, but it's a reliable, low-commitment option for filling a spare afternoon or easing into the area before tackling bigger water like the Simpson or the Baker. Access and current conditions are worth checking locally before heading out, as arrangements here shift more than on the region's better-known rivers.

• Volcanic glacial