Fish Patagonia › Guides › Río Azul Fishing Guide: Species, Months, Flows and Flies
In short: Río Azul is a wading river in the Futaleufú area of Palena province, Chile. Species the app lists: rainbow trout and brown trout. Months by the app's general seasonal guide: Rainbow trout: November to May (peak: December to March); Brown trout: November to May (peak: December to March). Right now: 1.3 m³/s (46 cfs); the river is low and clear on the app's scale.
Guide updated October 27, 2026 · live data Oct 27, 2026, 1:59 PM (Chile)
Stunning crystal-clear freestone tributary joining the Futaleufú Medio, roughly halfway to Puerto Ramírez. Exceptional wade fishing with dry flies and light nymphs in pocket water and boulder gardens. Flow is calculated live from chilewaterlevels.com.
The app's suggested gear: 4–5 wt (8.5–9 ft, WF floating line) · 9–11 ft 4X–5X leader for crystal-clear pocket water, dry-dropper & small dries.
The app's starting estimate (not yet validated by guides): low and clear below 12 m³/s · ideal 12–35 m³/s · high 35–65 m³/s · blown out above 65 m³/s (in cfs: 424–1,236–2,295). Right now: 1.3 m³/s (46 cfs); the river is low and clear on the app's scale.
In Palena province (Res. Ex. 2428/2025): artificial lures with a single barbless hook only; one Atlantic, coho or Chinook salmon may be kept per angler per day and every other species must be released; no fishing from bridges or roads, and none between 22:00 and 06:00. Always confirm with Sernapesca. See season and rules.
According to the app's seasonal guide: Rainbow trout: November to May (peak: December to March); Brown trout: November to May (peak: December to March). This is a general guide: the real timing changes every year with weather and flow.
The app lists: rainbow trout and brown trout. In Palena province (Res. Ex. 2428/2025): artificial lures with a single barbless hook only; one Atlantic, coho or Chinook salmon may be kept per angler per day and every other species must be released; no fishing from bridges or roads, and none between 22:00 and 06:00. Always confirm with Sernapesca.
The app uses a starting estimate, not yet validated by guides: low and clear below 12 m³/s, ideal from 12 to 35 m³/s (424 to 1,236 cfs), high from 35 to 65 m³/s and blown out above 65 m³/s.
4–5 wt (8.5–9 ft, WF floating line) · 9–11 ft 4X–5X leader for crystal-clear pocket water, dry-dropper & small dries.
Provisional data and general guidance. Conditions change quickly: scout, check local rules with Sernapesca and use a local guide on big water.