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San Juan River · access

Navajo Dam to Farmington, New Mexico, United States · United States

By The Fly Desk · Published 2026-09-28

Licence and rules

Licence and rules. New Mexico requires a fishing licence for anyone 12 and older, and a separate habitat stamp for most waters. The San Juan below Navajo Dam is catch-and-release, artificial-flies-only from the dam down to the US 64 bridge, with barbless hooks encouraged. The Navajo Nation boundary starts downstream of the quality water — a tribal permit is a separate purchase and the rules there are not the same.

Season

Fishable twelve months; spring and autumn are the busiest and the best

Flow

250–1,000 cfs on the quality water; the river is wadeable across most of that range

Navajo Dam releases vary more than the fishing reports admit: the same stretch can be 300 cfs in the morning and 900 cfs after lunch. The quality water is wadeable up to about 1,000 cfs, and the crossing points at Texas Hole become waist-deep above 700 cfs. Water temperature holds near 8°C downstream of the dam, which is why midges hatch in January.

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