The reservoir's water is stocked regularly with rainbow and brown trout, making it a favorite for experienced and novice anglers. The surrounding landscapes feature towering pine trees and awe-inspiring mountain ranges that provide a stunning backdrop for any fishing trip.

Anglers can find accessible shorelines, boat ramps for those who prefer fishing from a kayak or canoe, and well-maintained facilities including picnic areas. There are also fishing regulations in place, ensuring a healthy ecosystem.

Gross Reservoir was originally constructed in the 1950s as a water supply for the city of Boulder. Fishing at the reservoir is not just an activity but also a cultural tradition for many locals, who gather for camaraderie and serenity. Knowledge of sustainable fishing practices is encouraged to preserve the area’s natural beauty.

Early morning or late afternoon often yield the best fishing results, as fish are more active during these cooler periods.

Essential items include fishing gear, sunscreen, layered clothing for variable weather, and snacks for a day outdoors. A fishing license is required, so make sure to obtain one ahead of time.

From Boulder, head west on CO-119, then take CO-72 to the Gross Reservoir area, approximately a 30-minute drive. Fishing at Gross Reservoir is a cherished aspect of Boulder’s outdoor culture, ensuring a fulfilling experience for all who partake.