Fishing Grass Lake in Larimer County, Colorado

• Overview

  You will find Grass Lake in Larimer County, Colorado. It sits at 10,000 feet above sea level. Small at around 3 acres: two anglers spread out cover most of it. Our Larimer County list holds plenty of bigger water. For a base, Estes Park sits 20 miles out. It is 37 miles to Fort Collins, the nearest city. This one is safely inside the county line.

• Where to Fish on Grass Lake

  No chart reached our records; the first cast is your sounding. The shallow end warms first and pulls fish in ahead of the rest. Read the surface for the wind lane, then fish the edge of it. Open biodiversity records for Larimer County list black-spotted cutthroat trout, brook trout, white sucker, rainbow trout and brown trout. The county list is broader than any single water. Grass Lake gives up its fish to patience rather than distance.

• Seasonal Patterns

  In an average year July sits at 51°F and January at 18°F. Cold winters and warm summers give a wide working range. The open season starts with the thaw, near enough late May. Climate figures give an open season running late May to early November. From the thaw to midsummer the fishing improves week by week. The season on Grass Lake follows the weather closely.

• Tackle & Baits

  Public data does not answer the access question here. There is no recorded infrastructure here; expect to find your own way in. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Where the road in crosses private land, ask first. Rules for boats are stricter than rules for the bank in many places. If the gate is shut, Peterson Lake at 1.8 miles is the nearest alternative. The position on Grass Lake is worth confirming on the day.