Grass Lake Fishing in Duchesne County, Utah

• Overview

  Grass Lake is a Duchesne County water, Utah side. It stands 10,840 feet above sea level. Small at around 5 acres: two anglers spread out cover most of it. Most waters listed here for Duchesne County are larger. The closest town, Mountain View, is 31 miles distant. Further out sit Lyman (35 miles) and Roosevelt (42 miles). No county line comes close, which keeps the paperwork simple.

• Where to Fish on Grass Lake

  Nothing we hold settles how deep this runs. Weed, then depth: that is the order to fish a water of this kind. Read the surface for the wind lane, then fish the edge of it. Reported across Duchesne County: brook trout, brown trout, rainbow trout and Arctic grayling. The list covers the county rather than this water alone, so treat it as a guide. The shape of Grass Lake decides where the fish sit.

• Seasonal Patterns

  Typical July readings run about 50°F; by December the average is down near 15°F. Winter shuts things down for a spell, then spring reopens them fast. Look for the thaw near mid June; the fishing lifts straight after. Ice clears near mid June and comes back about early November in a typical year. The first weeks of open water and the last are the ones to plan for. Plan any trip to Grass Lake around it.

• Tackle & Baits

  Nothing we hold confirms whether access is permitted. Nothing is listed nearby for parking or launching a boat. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Sort the permit out before you load the car. Where parking is tight, arriving early solves most problems. Failing this one, try Henrys Fork Lake, 0.5 miles away. Check the position at Grass Lake before loading the car.