Louisville Reservoir Fishing near Louisville, Colorado

• Overview

  Set in Boulder County, Louisville Reservoir is a Colorado water. Height above sea level is 5,610 feet. At 16 acres it is the sort of place you fish for an evening rather than a day. The town to know is Louisville, 1.6 miles out. It is 6.2 miles to Boulder, the nearest city. A county line runs close by, so local bylaws can differ within a short drive.

• Where to Fish on Louisville Reservoir

  There is no published depth for this one, so start shallow and work out. Look for where the old bank line still shows under the surface. Points where the flooded channel swings in are the reliable ones. Survey and observation records for Boulder County include black-spotted cutthroat trout, brook trout, brown trout, bluegill and rainbow trout. Species recorded across the county may be limited to a few waters. The near bank of Louisville Reservoir is often the one people ignore.

• Seasonal Patterns

  Temperature averages peak at 73°F in July and bottom out at 31°F in January. The season stretches long at both ends here. Cover comes and goes, so treat it with suspicion rather than trust. April and May are the settled weeks, with October close behind. Plan around that when you fish Louisville Reservoir.

• Tackle & Baits

  We hold no note on access for this one. There is somewhere to leave the car, half a mile off. There is a mapped landing stage half a mile away. Facilities include toilets around half a mile from here. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Read any posted signs at the access point rather than assuming. Where parking is tight, arriving early solves most problems. For a change of water, Harper Lake is 0.8 miles distant. Treat Louisville Reservoir as unsettled until someone local tells you otherwise.