Seasonal Guide
San Juan River Fly Fishing in Summer
San Juan River at Pagosa Springs. Guides and local shops report an ideal wade-fishing window of roughly 50–180 cfs (Pagosa Outside). That's the general year-round read on this gauge; conditions in summer specifically vary with runoff timing and reservoir releases, so check the live gauge below before you go.
San Juan River
San Juan River at Pagosa Springs
165cfs
4.51ft
↓ falling
35 min ago
Prime conditions
View on USGS →What's Hatching
Sourced hatch windows overlapping summer
Species with a dated, sourced emergence window (river hatch baseline) that overlaps at least one day of summer on the San Juan River. Each line cites the original hatch chart or report.
Fly Pairings for San Juan River in Summer
2 summer fly pairings from real fishing reports
Up to 2 pairings for this river and season are always free to browse in full. Fly names, leader/tippet spec, and full source are unlocked by .
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More on this river
Full San Juan River guide
Live gauge readings, the complete fly pairing list for every season, and nearby fly shops.