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 June 29, 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 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….
Weekly Fishing Report June 8, 2026
The water is clearing up quickly, with visibility now at ~4 feet vs. 1 foot last week. Flows will also be going down to 500 cfs this week. These two factors change our guidance from the previous few weeks, when flows were high and the water was turbid. Instead of fishing…
Weekly Fishing Report June 1, 2026
Conditions are stabilizing after the flow increase 2 weeks ago and water should remain in 700 to 800 cfs range this week as well. The same advice from last week holds true for this week: don’t let the low water clarity scare you. The fish are eating away below the surface.
Weekly Fishing Report May 25, 2026
Flows ramped up to 870cfs, but don’t worry the fish are still eating. With no major rain the forecast, we expect the flows to stabilize at this level and water clarity to improve. Don’t let the clarity scare you; just think bigger and brighter. Instead of tiny size 22 midges in black…

