San Juan River
river in New Mexico
The San Juan tailwater below Navajo Dam produces trophy Rainbows and Browns on predictable hatches and is one of the most famous trout fly fisheries in the Southwest.
Conditions right now
No USGS gauge is linked to this water yet, so we can't chart flows.
Clear skies and 48°F with gentle NE wind
- 01Clear skies and 48°F with gentle NE wind.
- 02Consistent year-round midge and Baetis (BWO) activity, with strong fall BWO emergences expected.
- 03Trout are opportunistically feeding on eggs.
- 04Focus on deeper runs, current seams, and slow pools with cover.
- 05Ensure flies get deep with a natural, drag-free drift for selective trout.
Past reports week by week
9 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
Blue-Winged Olive Comparadun
Fall is prime Baetis (BWO) season in tailwaters, offering excellent dry fly opportunities, especially on overcast days.
Woolly Bugger (Black)
A classic streamer that imitates leeches and sculpins, effective for targeting larger, aggressive trout in the fall.
Jujubaetis
An excellent Baetis nymph pattern, effective year-round in tailwaters and particularly strong during fall BWO activity.
Buy at AmazonZebra Midge
Consistent year-round food source in tailwaters, especially effective in fall with no recent intelligence signals.
Buy at AmazonSan Juan Worm
A staple tailwater pattern that is effective year-round, especially after any flow fluctuations or rain events.
Buy at AmazonMidge
Midges are a primary and consistent food source in tailwaters year-round, making this a reliable fall pattern.
Woolly Bugger (Olive)
A versatile streamer pattern that imitates leeches and baitfish, effective year-round for aggressive trout, especially in fall.
Micro Egg
Trout opportunistically feed on eggs in the fall, making this an important pattern to imitate this food source.
Buy at AmazonWhere to fish and who to ask
Fruitland Reach / Hogback
Popular downstream access with long, fishable runs and multiple public put-ins for drift-boat trips.
Navajo Dam Tailrace
Primary tailwater access immediately below Navajo Dam; prime drift-boat and wade fishing for large trout.
San Juan River State Park (T-bed/Shiprock area)
Accessible banks and public access points used by many anglers targeting the tailwater and downstream runs.
Fly shops within 40 miles
Float n Fish Fly Shop and Guide Service
Fisheads San Juan River Fly Shop
Abe's Fly Shop
Float n Fish
Get San Juan River reports by email
Save this water and we'll email you a weekly summary of conditions, hatches and what's working.
New Mexico season by season
What changes on the water through the year, with the flies for each season.
Read before you go
Winter Fly Fishing: Essential Cold Weather Tips & Tactics
Master winter fly fishing with proven cold weather strategies, gear selection, and tactics for catching trout when temperatures drop.
Fly Line Types Guide: WF, DT, Running & Shooting Heads
Master fly line selection with our comprehensive guide to weight forward, double taper, running lines, and shooting heads for every fishing situation.
Fly Fishing Pack vs Vest: Which Setup Is Right for You?
Compare fly fishing packs and vests to find the perfect gear setup for your angling style and fishing conditions.
Best Fly Fishing Sunglasses: Lens Color & Polarization Guide
Master lens color selection and polarization technology for superior vision and fish detection on the water.
Fly Fishing Nets – Rubber vs. Nylon & Why It Matters for Fish
The net you choose dramatically impacts fish survival. Here's why rubber nets are superior to nylon for catch-and-release success.
Best Budget Fly Fishing Combo Setups for Beginners
Expert guide to affordable fly fishing combos that won't break the bank but deliver quality performance for new anglers.
Quick answers
Common questions about San Juan River.
What flies work best on San Juan River?
Our top scored fly patterns for San Juan River right now are Flying Ant (90% confidence), Hopper (85% confidence), Flashback Baetis Nymph (85% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in San Juan River?
San Juan River holds Rainbow Trout, Brown Trout. See the species links on this page for fly recommendations and seasonal behavior for each.
What are current flow conditions on San Juan River?
Live USGS streamflow readings for San Juan River are charted in the sidebar of this page and updated automatically from the nearest gauge.
Is San Juan River fishing well right now?
We publish a fresh bite report for San Juan River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.