New Mexico Fly Fishing Regulations

Anyone 12 and older needs a valid New Mexico fishing license to fish public waters in the state. The New Mexico Department of Game and Fish (NMDGF) issues all licenses, and you can buy online, at NMDGF offices, or at license agents around the state (most sporting goods stores and many gas stations near major fisheries).

Both resident and non-resident licenses are available, with non-resident pricing running noticeably higher. Visitors have a few options:

• Annual non-resident license — best value if you'll fish multiple trips in a year.
• Short-term non-resident licenses — 1-day and 5-day options for destination trips.
• Junior and senior pricing — reduced rates for ages 12–17 and seniors 65+.
• Combination licenses — bundle fishing with hunting if you do both.

New Mexico is one of the only places on Earth where you can legally fish for wild Gila Trout — a native species that was federally listed as endangered for decades and is still classified as threatened. Recovery has gone well enough that limited angling is allowed on designated waters in the Gila National Forest and surrounding drainages. But there's a catch.

The permit covers the Gila River and a list of designated waters in the Gila drainage where Gila Trout populations have been re-established. NMDGF publishes the current list of permitted waters each year — check it before your trip, because the boundaries change as recovery work continues.

Gila Trout are catch-and-release only. Zero harvest, regardless of size, regardless of where caught. The permit is a conservation tracking tool as much as a regulation — it lets the state monitor angling pressure on a recovering native species.

Most New Mexico waters are open year-round. The San Juan tailwater below Navajo Dam, the Rio Grande through the gorge, the Cimarron, and most major rivers fish through every season — including winter, when the San Juan especially comes into its own with low, clear water and consistent midge fishing.

The exceptions are worth knowing:

• Pecos Wilderness waters — certain high-country streams and lakes have seasonal openings tied to access (winter snow) and spawning protection. Check NMDGF specials before fishing the upper Pecos drainage.
• San Juan special-regulation sections — the Quality Waters reach below Navajo Dam is open year-round, but specific small sections and side channels may have additional seasonal rules. Posted at the access points.
• High-elevation lakes — many alpine lakes have seasonal closures or are simply inaccessible during winter regardless of regulation.

The San Juan below Navajo Dam is New Mexico's signature trout fishery, and it has the most important set of special regulations in the state. The Quality Waters designation covers the famous tailwater section, and the rules there override the statewide regulations in three big ways:

• Artificial flies and lures only — no bait, no scented lures, no bait-rigged anything. As a fly angler this doesn't change your day, but it's worth knowing the rule applies to everyone in your group.
• Rainbow Trout slot limit — any rainbow between 13 and 20 inches must be released. That's the protected slot. Below 13 or above 20, harvest is allowed within the daily limit.
• One trophy fish per day — only one Rainbow Trout over 20 inches per angler per day. If you keep a 22-incher in the morning, you're done with trophy harvest for the day even if you stick another one at sunset.

New Mexico's general statewide trout limit is 5 fish per day, with 10 in possession. There's no minimum size on most general waters, but the special-regulation sections override the statewide rule.

• General trout — 5 fish/day, 10 in possession, no size limit on most waters.
• San Juan Quality Waters — Rainbow slot limit (13–20" released), 1 fish over 20" per day, artificial only.
• Gila Trout — 0 harvest, catch-and-release only, statewide, on every water where they exist. Free conservation permit required.
• Other special-regulation waters — certain Pecos Wilderness streams and designated trophy sections have their own slots and reduced bag limits. Always check the NMDGF Fishing Rules and Info brochure for the specific water you're fishing.

Buy licenses, the HMAV stamp, and the free Gila Trout Conservation Permit at wildlife.state.nm.us. The annual NMDGF Fishing Rules and Info booklet is available as a free PDF download and in print at any NMDGF office or license agent. It's the authoritative source for water-by-water special regulations.