San Juan River Fishing Reports
The latest from the Fisheads guides
We spend every day on this river, and our fishing reports reflect what we’re seeing right outside our doorstep. From fly pattern suggestions to relevant techniques, our updates help you plan a great day on the water. If you're thinking about a trip to the San Juan, take a moment to explore our lodge.
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Weekly Fishing Report August 10, 2026
The first part of this week is looking pretty hot, but we’ll be cooling off in the second half. The drought hasn’t affected the fishing, as there’s plenty of cold water coming out of Navajo Dam. The fish remain focused mainly on subsurface midges and Baetis. The Baetis tend…
Weekly Fishing Report August 10, 2026
The conditions and tactics from the last few weeks have not changed for this week. We have plenty of water and flows. The fish are focused mainly on the sub-surface action. We’ve had an uptick in reports from guides having success on streamers, while dry fly fishing remains.…
Weekly Fishing Report August 3, 2026
The fishing hasn’t changed much since last week’s report. Flows are around 700 cfs, and we expect them to increase by around another 100 cfs during the week. This shouldn’t be too noticeable to fish or anglers, so stick to subsurface mayfly and midge patterns. Olive and gray…
Weekly Fishing Report July 27, 2026
The ant fall wrapped up last week, and now the action is primarily subsurface. If you still want to fish dries, you may still find a few fish eating hoppers, ants, and beetles on the surface. The afternoons can still produce BWO hatches that fish well with a small Parachute…
Weekly Fishing Report July 20, 2026
The ant fall happened at the end of last week. Monsoon season is here, bringing with it lots more dry fly opportunities. The fish have been going crazy for ants on the surface. We expect the fish to continue to look up as we get into hopper and beetle season. With almost…
Weekly Fishing Report July 13, 2026
Not much change from last week. Fish are still happily taking both small flies and larger patterns like leeches and worms. A safe bet is to fish a rig with a larger pattern on top and a smaller midge or mayfly pattern on the bottom. The Bureau of Reclamation is releasing…