Fishing in Aysén

Aysén occupies the middle stretch of Chilean Patagonia, a region of glacial lakes, braided rivers, and mountain streams that drain the Andean Cordillera toward the Pacific fjords.

The Carretera Austral threads through it, and almost every bridge it crosses sits above fishable water. The sheer volume of water here — from spring creeks barely a metre wide to glacial rivers spanning thirty metres — takes some adjustment.

This is trout country, with Chinook salmon showing up closer to the coast as the season progresses. Brown trout and rainbow trout are the main species.

Brook trout are present too, and Chinook salmon — many of them escapees from fjord fish farms — push into the rivers as the season advances.

The Río Baker and Río Simpson are the waters most anglers hear about first, and they earn the reputation: strong currents, clear water, healthy fish.

Lago General Carrera, one of the largest lakes in South America, offers a different kind of fishing — expansive, wind-dependent, with conditions that shift through the day.

The Río Cochrane and Río Palena are worth the extra effort to reach, and the Río Cisnes has a long-standing reputation as a grasshopper fishery that draws anglers specifically for terrestrial fishing in summer.

January and February are the peak months on Aysén rivers — stable weather, lower water, fish that have settled into feeding lanes.

The season opens October 12 and runs to early May, but the structure matters: rivers are catch-and-release only through November 30, then open to a limited kill through February, then back to release-only from March onward.

Lakes follow a slightly different calendar. Chinook salmon have their own window.

Sernapesca, Chile's national fisheries service, issues the required licence — available by the week, month, or year — and publishes the current regulations; check them before you go, because the rules are specific and change between seasons.

Access is the variable nobody warns you about enough. Chilean streams are legally public, but the land around them is mostly fenced for cattle and sheep. Bridge pools get pressure.

The further you walk from obvious access points, the better the fishing tends to be — that pattern holds consistently across the region. Gravel roads dominate once you leave Coyhaique, and a vehicle with decent suspension and tires is not optional.

Guides who know the private gates and the remote drainages make a real difference here, not just for the fishing but for understanding water that is still, in places, genuinely unexplored.

The region is being discovered faster than it was a decade ago, by both foreign anglers and Chileans who have taken up fly fishing in growing numbers. The wild fish are there because the habitat has been largely intact.

Keeping it that way depends on how the next generation of visitors treats it.