Fly Fishing Sevier River - Below Piute Reservoir

Fly fishing Sevier River – Below Piute Reservoir offers a productive small-stream tailwater experience in Southern Utah's Great Basin. This section flows below the Piute Reservoir, delivering cold, stable flows that sustain a healthy trout fishery in a high-desert setting. The tailwater is located in a scenic canyon environment near the town of Marysvale, providing an accessible yet remote-feeling destination for fly anglers. Its convenient location makes it a popular choice for day trips and weekend excursions in Southern Utah.

As a tailwater, the Sevier River below Piute is characterized by consistent flows, clear water, and a mix of fast riffles, deep pools, and gentle glides. The river is relatively narrow and intimate, making it an ideal walk-and-wade fishery. The banks are lined with willows and desert vegetation, providing structure and cover where trout hold. The water clarity is typically excellent, requiring stealthy approaches and careful presentations. The tailwater nature ensures year-round fishability, with stable temperatures that support consistent insect activity.

The Sevier River supports healthy populations of wild brown trout and rainbow trout. Brown trout are the primary target, typically ranging from 12 to 18 inches, with larger specimens holding in the deeper pools. The fish here are opportunistic and respond well to a variety of fly patterns, though they can become selective during heavy hatch activity. The stable tailwater environment supports strong growth rates and healthy fish populations, making this a productive fishery despite its small size.

Hatch activity is consistent throughout the season, with Blue-winged olives (BWO) emerging in spring and fall, particularly during overcast conditions. Caddis hatches are strong during the warmer months, and Pale Morning Duns (PMDs) provide excellent dry fly opportunities in mid-summer. Midges are present year-round, offering winter fishing opportunities when other insects are dormant. Terrestrial patterns, especially hoppers and ants, can be highly effective from late summer through early fall when fished along the grassy banks and under desert vegetation.

Optimal wading flows for the Sevier River below Piute range from 20 CFS to 120 CFS. Flows below 20 CFS can make the fish extremely spooky and limit the best holding water, while flows above 120 CFS can create challenging wading conditions. This section is **not floatable** due to its small size, narrow channel, and frequent obstructions. It is exclusively a walk-and-wade fishery, rewarding patient anglers who move methodically through the productive runs and pools.

Access to the Sevier River below Piute is moderate, with access points available along roads near the reservoir and the town of Marysvale. The river flows through public land in this area, though anglers should confirm specific access points and any regulations. The nearest regional airport is St. George (SGU), though Salt Lake City is also a viable option. Anglers should be prepared for high-desert conditions and variable weather, especially during the shoulder seasons.

The Sevier River – Below Piute Reservoir is a dependable small-stream tailwater that offers consistent action and convenient access. Its combination of stable flows, healthy trout populations, and scenic canyon setting makes it a rewarding destination for Southern Utah anglers.