Troutline

Fly fishing

Colorado

Live flows, weather, hatch charts, snowpack, and stocking for 24 rivers and creeks across 5 regions.

Rivers
24
Regions
5
Fly shops
49
Snowpack basins
17

Colorado fly fishing splits cleanly between the Western Slope's big tailwater rivers — Colorado, Gunnison, Frying Pan, Roaring Fork — and the South Platte tailwater on the Front Range. The state runs water-rich most years thanks to Rocky Mountain snowpack, but recent dry years have pushed earlier runoff and thinner summer flows on the freestones; the tailwaters carry more of the season than they used to.

Float and wade both work depending on the river. The Frying Pan and Gunnison's Black Canyon are technical, slow water with selective trout that have seen every pattern. The Arkansas runs faster and more forgiving in pocket water. The South Platte's named sections — Cheesman Canyon, Deckers, Eleven Mile — hold large fish under heavy pressure; bring small flies and patience. June runoff blows out the bigger freestones for a few weeks; alpine creeks and tailwaters carry July and August reliably.

Snowpack & runoffbasin snow-water equivalent and the seasonal runoff outlookFull Colorado snowpack reportStockingrecent & upcoming hatchery plantsFull Colorado stocking schedule

Arkansas Valley

1 river

The Arkansas through Browns Canyon — pocket-water freestone, less technical than the Western Slope rivers, less crowded too.

Front Range

5 rivers

The South Platte tailwater complex plus the canyon freestones close to Denver and Fort Collins — the North Fork, Clear Creek, the Big Thompson, and the Cache la Poudre. High pressure and small flies on the tailwater; pocket water and easy access on the canyon rivers.

San Juan

2 rivers

Southwest Colorado's freestones — the Animas through Durango and the Dolores tailwater below McPhee. Wild browns and rainbows in high-desert canyons; the Dolores lives and dies on McPhee's releases, and the Animas fishes healthy through town despite its mining-legacy history upstream.

San Luis Valley

2 rivers

The upper Rio Grande and its Conejos tributary, draining the east side of the San Juans into the San Luis Valley. Big freestone trout water around Creede, Del Norte, and Antonito — strong up high through summer, but valley irrigation dewaters the lower reaches, so the fishery lives in the headwater and canyon miles.

Western Slope

14 rivers

Big Rocky Mountain tailwaters and freestones — Colorado, Gunnison, Roaring Fork, Eagle, Blue, Frying Pan — plus the Gunnison-country and Grand County waters: the Taylor, East, Crystal, Fraser, Williams Fork, Lake Fork of the Gunnison, Uncompahgre, and the Yampa up north. Most of Colorado's drift-boat water lives here.