Pecos River

New Mexico·North-Central New Mexico·35.75° N, 105.68° W

Flow

47.1 CFS

Pecos River near Pecos, NM

Water Temp

—

Condition

Below Normal

Weather

52°F

Mostly Clear

near La Cueva

Latest report: The Reel Life · 8 days ago

Insights

Wind

Wind 0 mph — calm

Easy casting and clean surface presentations.

Flow

Low flows at 47.1 CFS

Fish are spooky. Lighten tippet and lengthen leaders.

Pressure

Pressure rising

Feeding may slow as fish sit tight.

The upper Pecos is the trout stream most New Mexicans learned to fly fish on — a high-altitude freestone that rises in the Sangre de Cristo Mountains and drops through spruce, fir, and aspen inside the Pecos Wilderness before it reaches the village of Pecos. It's a genuine day-trip: about 30 minutes from Santa Fe and roughly an hour and twenty from Albuquerque. NM Highway 63 parallels the river for miles with pull-off after pull-off, which is exactly the appeal and exactly the problem — this is the most-fished trout water in the state, and on a summer weekend the roadside runs near Terrero and Field Tract see plenty of company. The payoff is a small, cold, wadeable pocket-water stream you can fish with a 3- or 4-weight and a short leader: stocked and holdover rainbows in the accessible reaches, wild stream-bred browns through the canyon, and native Rio Grande cutthroat up in the headwater tributaries.

It fishes like the snowmelt freestone it is. Runoff — late March into May, usually peaking in May and June — blows the river out high, fast, and turbid, largely unfishable at peak melt. Things come back into shape by late June, and that opens the best window: flows drop and clear, and the river's legendary salmonfly hatch (Pteronarcys, size 6-8) kicks off in the lower canyon and marches upstream into early July. Through July and August the golden stones, caddis, and terrestrials carry the fishing, though by late summer the water gets low and clear enough that warm afternoons stress the fish — fish early and late and give the trout a break in the midafternoon heat. Fall is quietly excellent: BWO-driven, cooler, and far less crowded. Winter shuts the high canyon down.

The character changes fast with elevation. The village of Pecos sits around 6,900 feet; the USGS gauge near Pecos is close to 7,500; Cowles, at the top of the road where Winsor Creek comes in, is 8,320; and the cutthroat tributaries run above 8,500. The stretch from Terrero up to Cowles is the heart of it — the best combined rainbow and brown fishing on the river — and the Box below Cowles (the 'Green Chile Water' Special Trout Water) is the signature technical reach, canyon pocket water and plunge pools carved through metamorphic rock that hold the river's better browns to 18 inches. Above Cowles you walk in, and above Pecos Falls it's catch-and-release native cutthroat in small alpine water. About 20 miles of the river inside the wilderness carries a federal Wild & Scenic designation.

Fishing Reports

Latest reports from local fly shops

The Reel Life · Santa Fe8 days ago

Pecos River Fishing Report Read full report at The Reel Life

Species

Rainbow Trout
Primary · Apr-Oct · 8-12"
The bread-and-butter of the day-trip fishery. NMDGF stocks catchable and triploid rainbows spring through fall in the accessible roadside reaches from Dalton up to Cowles (plus Monastery Lake), so the easy roadside water fishes best right after a plant. Holdovers in the canyon run larger. Attractor dries, hopper-droppers, and beadhead nymphs cover them.
Brown Trout
Common · Jun-Oct · 8-14"
The primary wild quarry — stream-bred and self-sustaining throughout the canyon, strongest in the lower and mid reaches and the deeper pools. Most run 8-14 inches, but the Box and the deep canyon runs hold browns documented to about 18. They key on the salmonfly and golden stones early summer, then hold to nymphs and terrestrials the rest of the season.
Rio Grande Cutthroat Trout
Seasonal · Jul-Sep · 6-10"
The watershed's only native trout and the New Mexico state fish, holding in the cold wilderness headwaters and tributaries above roughly 8,500 feet and above Pecos Falls — the Mora River, Rio Valdez, Panchuela and Jacks creeks. Catch-and-release. Small alpine pocket water: a short 3-weight, a dry fly, and a hike. Jacks Creek is a designated native-trout conservation project.
Brook Trout
Seasonal · Jul-Sep · 6-10"
Non-native but common in the coldest upper tributaries and headwater creeks, often sharing water with the cutthroat. Small, aggressive, and willing on a dry fly once the high country opens up after runoff.

Species	Abundance	Best Season	Size	Notes
Rainbow Trout	Primary	Apr-Oct	8-12"	The bread-and-butter of the day-trip fishery. NMDGF stocks catchable and triploid rainbows spring through fall in the accessible roadside reaches from Dalton up to Cowles (plus Monastery Lake), so the easy roadside water fishes best right after a plant. Holdovers in the canyon run larger. Attractor dries, hopper-droppers, and beadhead nymphs cover them.
Brown Trout	Common	Jun-Oct	8-14"	The primary wild quarry — stream-bred and self-sustaining throughout the canyon, strongest in the lower and mid reaches and the deeper pools. Most run 8-14 inches, but the Box and the deep canyon runs hold browns documented to about 18. They key on the salmonfly and golden stones early summer, then hold to nymphs and terrestrials the rest of the season.
Rio Grande Cutthroat Trout	Seasonal	Jul-Sep	6-10"	The watershed's only native trout and the New Mexico state fish, holding in the cold wilderness headwaters and tributaries above roughly 8,500 feet and above Pecos Falls — the Mora River, Rio Valdez, Panchuela and Jacks creeks. Catch-and-release. Small alpine pocket water: a short 3-weight, a dry fly, and a hike. Jacks Creek is a designated native-trout conservation project.
Brook Trout	Seasonal	Jul-Sep	6-10"	Non-native but common in the coldest upper tributaries and headwater creeks, often sharing water with the cutthroat. Small, aggressive, and willing on a dry fly once the high country opens up after runoff.

Ideal wading flow50–150 CFS

Blow-out>400 CFS

Ideal water temp45–58°F

Post-runoff summer (late June-August) is prime — the salmonfly emergence, golden stones, caddis, and terrestrials all fire once flows drop and clear. Fall (September-October) is the quiet standout: BWO-driven, cooler, and far less crowded. Late spring offers a brief pre-runoff BWO window before the melt turns the river turbid. Winter is very limited — midges only, and the high canyon frozen. Watch for warm, low, clear late-summer afternoons that stress the fish; fish mornings and evenings then.

Sections

6 sections on this river

Pecos Wilderness Headwaters (walk-in above Cowles)

WadeCutthroat · Brook Trout · Rainbow Trout

Native-cutthroat country — small alpine pocket water in the Sangre de Cristos, catch-and-release above Pecos Falls in the 'Red Chile Water'. You walk in from trailheads at Jacks Creek (Beatty's Trail #25, campground and road closed through Sept 30, 2026 for construction), Winsor, and Iron Gate. The tributaries here — the Mora River, Rio Valdez, Holy Ghost, Panchuela, and Jacks creeks — hold native Rio Grande cutthroat trout and non-native brook trout above roughly 8,500 feet. The fishing is easy; the access is a backcountry hike. A short 3- or 4-weight and a box of dry flies is all you need.

Best for: Native Rio Grande cutthroat trout and brook trout on dry flies in small alpine tributaries; a hike-in wilderness escape.

Cowles

WadeCutthroat · Brown Trout · Rainbow Trout

The top of the road at about 8,320 feet, where Winsor Creek meets the Pecos and the Special Trout Water boundary ends 0.2 mile below the bridge. This is the jump-off between the roadside fishery and the walk-in wilderness — trailheads and a small campground that fills fast on summer weekends, plus the nearby Cowles Ponds. The river here holds rainbow trout and brown trout in cold, tumbling pocket water, and it's the staging point for hiking up to the native cutthroat country above.

Best for: Rainbow trout and brown trout in high, cold pocket water; the gateway to the wilderness cutthroat headwaters.

The Box / Green Chile Water (Special Trout Water)

WadeSalmon · Brown Trout · Rainbow Trout

The signature technical reach and the core of the 'Green Chile Water' Special Trout Water — from 0.5 mile above the Mora River confluence up to 0.2 mile below the Cowles bridge. Canyon pocket water and plunge pools carved through metamorphic rock, harder wading and careful footing, holding the river's best wild brown trout to about 18 inches along with rainbow trout in the deeper slots. Regulated at 2 fish, artificial fly or lure only, single barbless hook. Technical pocket-water nymphing and precise dry-fly work; the salmonfly emergence lights it up in late June.

Best for: The river's biggest wild brown trout and canyon rainbow trout on technical pocket-water nymphing and dry flies; Special Trout Water regulations.

Windy Bridge to Terrero

WadeBrown Trout · Rainbow Trout

Where the fishing turns serious. Roadside picnic-area access at Windy Bridge gives way to the Terrero hub, where the seasonal Terrero General Store sells licenses and is the last supply point before the upper canyon. Pocket water and runs, fully wadeable, holding a mix of stocked rainbow trout and wild brown trout that get wilder and stronger as you climb. Nymph the pockets, throw stimulators and terrestrials to the faster runs — this is the start of the best water on the river.

Best for: Rainbow trout and wild brown trout on nymphs, stimulators, and terrestrials in classic pocket water.

Dalton to Field Tract (Lower Roadside)

WadeBrown Trout · Rainbow Trout

The first stretch of true roadside river above the village and the most accessible stocked water on the Pecos. Forgiving pocket water and classic riffle-run-pool through a wide valley, with pull-offs at the Dalton day-use picnic area and the Field Tract reach ~10 miles north of Pecos. NMDGF stocks catchable rainbow trout here spring through fall, and wild brown trout mix in through the faster runs. Dry-dropper and nymph rigs cover it; it's family water and a fine place to start.

Best for: Stocked rainbow trout and wild brown trout on dry-dropper and nymph rigs; easy wading and family fishing.

Village of Pecos / National Historical Park Reach

WadeRainbow Trout

The lowest trout water — a valley river, warmer and slower than the canyon above, and the easiest to reach. The Pecos National Historical Park manages a reach here that requires a Recreation.gov reservation (2026 season July 1-Oct 31), with roadside access near the village and the regularly stocked Monastery Lake pond a mile north. This is put-and-take stocked rainbow trout water: attractor dries and simple nymph rigs for casual and beginner outings close to town.

Best for: Easy roadside and managed-access water for stocked rainbow trout; casual and beginner outings near the village.

Regulations

Current fishing rules and restrictions

Most of the Pecos is general trout water under the statewide bag limit, but two Special Trout Water stretches govern the best fishing: the 'Green Chile Water' (the Box) and the catch-and-release 'Red Chile Water' in the wilderness. A New Mexico fishing license plus a Habitat Management & Access Validation stamp are required, and the Pecos National Historical Park reach needs a separate reservation.

Statewide trout bag limit on general water: 5 trout/day, 10 in possession, of which no more than 2 may be cutthroat
'Green Chile Water' Special Trout Water (the Box): from 0.5 mile upstream of the Mora River confluence downstream to 0.2 mile below the Cowles bridge — bag limit 2 trout, artificial fly or lure only, single barbless hook
'Red Chile Water' Special Trout Water: the Pecos in the Pecos Wilderness above Pecos Falls — catch-and-release only, artificial fly or lure, single barbless hook
No chumming or baitfish in any Special Trout Water
Native Rio Grande cutthroat waters are managed catch-and-release for cutthroat
A New Mexico fishing license and Habitat Management & Access Validation stamp are required
The Pecos National Historical Park reach requires a separate Recreation.gov reservation (2026 season July 1-Oct 31)

Rules reflect the 2026-2027 New Mexico cold-water regulations — verify the posted Special Trout Water boundaries before fishing, since the Green Chile and Red Chile stretches are signed on the ground.

Source: New Mexico Department of Game & Fish. Regulations change annually — verify before fishing.

Access & Logistics

Getting there, fly shops, and lodging

Getting There

Pecos, NM

30 min from Santa Fe, 1 hr 20 min from Albuquerque; add 30-40 min up-canyon to Terrero and Cowles

Fly Shops

High Desert Angler (Santa Fe)
The Reel Life (Santa Fe)

Camping & Lodging

Santa Fe National Forest campgrounds line NM 63 and FR 122 south to north: Field Tract on the river ~10 mi north of Pecos (currently closed for shelter repairs), Holy Ghost up FR 122 along Holy Ghost Creek (23 sites, no potable water), Cowles at 8,320 ft where Winsor Creek meets the Pecos (fills fast on summer weekends), plus Jacks Creek and Iron Gate for wilderness trailhead access (Jacks Creek Campground and road closed through Sept 30, 2026 for construction). Pecos River Cabins, the Pecos River Cliff House, and El Farolito B&B provide lodging around the village; Santa Fe is the full-service hub.

The Terrero General Store (seasonal, roughly May 1-Labor Day) sells licenses and supplies and is the last stop before the upper canyon. NM 63 turns to a narrow mountain road above Terrero and dead-ends at Cowles; everything above is walk-in wilderness. Fish the roadside reaches early on summer weekends to beat the crowds, and check the gauge near Pecos before committing during the May-June runoff push.

Conditions data is live from public monitoring networks. Regulations change annually — always verify current rules with your state fish & wildlife agency before fishing.

More in New Mexico

View all 10 rivers

North-Central New Mexico

Costilla CreekNM

A small high-meadow tailwater in the Valle Vidal north of Taos holding one of the last stronghold populations of pure Rio Grande cutthroat — willing 8-to-12-inch natives on dry-dropper and hoppers, wade-only, and closed until July 1 to protect the spring spawn.

Red RiverNM

An Enchanted Circle trout stream that fishes as two rivers under one name — a heavily stocked, roadside rainbow run through the ski town up top, and a wild, spring-fed brown-trout canyon down low that stays cold and open through winter as it drops into the Rio Grande gorge below Questa.

Rio ChamaNM

New Mexico's second-string tailwater and the one that quietly gives up the biggest brown trout in the state. The cold bottom-release water below El Vado Dam grows browns past 20 inches and fishes like a technical tailwater; downstream, a volcanic gorge and a Wild & Scenic canyon float add freestone pocket water and multi-day raft trips.

Rio GrandeNM

A big basalt-canyon freestone in the gorge north of Taos — hike-in pocket water for wild browns and native Rio Grande cutthroat that blows out on Colorado snowmelt in May and June and comes alive on caddis and big attractor dries in late summer and fall.

Rio PuebloNM

A small roadside mountain stream along NM-518 near Peñasco — pocket water and plunge pools holding stocked rainbows, wild browns, and native Rio Grande cutthroat in the colder headwaters. Not to be confused with the Rio Pueblo de Taos to the north.

Other regions

Cimarron RiverNM

A small, cold canyon tailwater below Eagle Nest Lake that fishes like a mountain freestone — granite-walled pocket water along US-64 through Cimarron Canyon State Park, packed with wild brown trout (roughly 4,000 per mile) that reward a short cast and a stealthy approach over distance.

Gila RiverNM

New Mexico's wildest trout water — small, tumbling freestone forks in the Gila Wilderness holding native Gila trout, the copper-and-gold rarity you fish for under a free state permit after a long dirt road and a longer walk. Fish run small and the season is short; late September through November is the window.

Jemez RiverNM

A tangle of small freestone trout streams draining the south side of the Valles Caldera — roadside wild-brown water on the Jemez mainstem, East Fork, Rio San Antonio, and Rio Guadalupe, most of it Special Trout Water, with a famous Guadalupe salmonfly hatch in late spring.

San Juan RiverNM

A high-desert tailwater below Navajo Dam where big rainbows and browns key on year-round midges, baetis, and annelids. The Quality Waters in the first few miles fish technical 6X-7X to size 22-26 nymphs; below that the bait water opens up for float and easier wading.