Drive just an hour east of Salt Lake City to the Provo River, a brown-trout water that fishes particularly well in March and April. Large browns and a few rainbows drill #3 through #7 Rapalas in rainbow, black-and-gold and minnow patterns. Eighth-ounce and quarter-ounce red and black Rooster Tails also draw strikes, as do quarter-ounce black and red leadhead jigs. Three excellent places to find spring trout on the Provo are the section of river between Jordanelle and Deer Creek reservoirs, the lower Provo just below Deer Creek Reservoir and above Jordanelle Reservoir in the section contained within Rockcliff State Park. (This is where mature rainbows can be found exiting the reservoir to look for places to spawn; brown trout follow them into the river looking for eggs.) Flyfishers should watch for strong blue-winged olive and midge hatches, especially on the lower river below Deer Creek Reservoir. Try Muddler Minnows, too. Contact: Utah Division of Wildlife Resources (1596 W. North Temple, Salt Lake City, UT 84114; 801-538-4700).