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 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…
Weekly Fishing Report July 6, 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…
Weekly Fishing Report June 29, 2026
Things are pretty steady state right now. Both the water clarity and the flows are the same as last week with all river sections fishing well. Fish patterns like leeches and worms in addition to the usual midges and mayflies. The Bureau of Reclamation is releasing water…
Weekly Fishing Report June 22, 2026
The water clarity is the same as last week, but the flows are likely to go up this week. Fish patterns like leeches and worms in addition to the usual midges and mayflies. Use 4x fluorocarbon tippet to the larger top fly and 5x tippet to your smaller midge or mayfly…
Weekly Fishing Report June 15, 2026
Flows went down to 500 from 900 last week and have settled nicely since. The slower, clearer water has the fish seeking out midges, mayflies, and caddis, especially if fishing the village or lower river. The fish are also starting to look up for dry flies, especially on…

