After a heads up from local outfitters who first noticed the issue, we conducted a survey of an abrupt algae bloom that showed up in the middle river.

Reason #53 the Big Hole is unique and important….

The first sampling season of the water quality monitoring program has successfully wrapped up! Six sampling events were completed from April through September.

On our western rivers, freestone and tailwater, one of the most common and prevalent mayfly species is the Baetis mayfly group.

Stories of salmonfly hatches, big predatory brown trout chasing streamers and the last remaining native fluvial arctic grayling population left in the lower 48 states, created a strong sense that the Big Hole was a place that must be visited.