Time Travel at Jurassic Lake

The Elemental Earth

The Flyfish Journal editor Jason Rolfe sends one into the expansive waters of Jurassic Lake, Argentina, which is formally called Lago Strobel.
The Flyfish Journal editor Jason Rolfe sends one into the expansive waters of Jurassic Lake, Argentina, which is formally called Lago Strobel. This high-desert maar lake sits nearly 3,000 feet above sea level and was formed by ancient volcanic activity across the southern Patagonian Steppe. Waves crash the basalt shoreline, where anglers target cruising fish feeding on countless tiny scuds which fuel the growth of massive rainbows. Photo: Jake Crawford
Words: Jason Rolfe

When a massive storm rearranged the lower reaches of the Rio Barrancoso where it flows into Argentina’s Lago Strobel (aka Jurassic Lake) in January 2025, the guides, owners and guests of Jurassic Lake Lodge could only stand by, awestruck. A year’s worth of rain fell in hours. Prior to the storm, the lower river was a meandering series of S-curves and named pools (one called the Aquarium) that gave way to the turquoise waters of Strobel, a desert “sink” lake with no outlet. The storm left a scoured alluvial fan; the river channel, straightened and shallow, shifted tight to a high bank that gave up a significant portion of its heft in the flood. The debris field fanned out below the lodge’s high ground, new banks cut, the river and lake’s beats a sudden new frontier to be learned afresh.

Still, when I visited the lodge a few weeks after the storm, the mood was upbeat. Everyone had concerns about what might happen to the fishing, but everyone also knew that trout are resilient. Despite the harsh landscape, the trout here have flourished in Strobel’s nutrient-rich waters. 

Back to Issue 17.2