Fishing Guides in Longmont, Colorado

Browse 1 fishing guide and charters available for booking.

Search for a different location

1 charter found

What's Biting in Longmont

4 species reported in the Longmont area. Here's when they're most active throughout the year.

Month-by-Month Fishing in Longmont, CO

Fishing in Longmont in January

January is a slower stretch for fishing around Longmont — see the peak months above for better timing.

Fishing in Longmont in February

1 species is active in and around Longmont in February: Largemouth Bass. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in March

4 species are active in and around Longmont in March: Brown Trout, Rainbow Trout, Largemouth Bass, Crappie. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in April

4 species are active in and around Longmont in April: Brown Trout, Rainbow Trout, Largemouth Bass, Crappie. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in May

4 species are active in and around Longmont in May: Brown Trout, Rainbow Trout, Largemouth Bass, Crappie. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in June

4 species are active in and around Longmont in June: Brown Trout, Rainbow Trout, Largemouth Bass, Crappie. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in July

3 species are active in and around Longmont in July: Brown Trout, Rainbow Trout, Largemouth Bass. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in August

2 species are active in and around Longmont in August: Brown Trout, Rainbow Trout. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in September

4 species are active in and around Longmont in September: Brown Trout, Rainbow Trout, Largemouth Bass, Crappie. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in October

4 species are active in and around Longmont in October: Brown Trout, Rainbow Trout, Largemouth Bass, Crappie. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in November

1 species is active in and around Longmont in November: Largemouth Bass. Book one of Longmont's 1 local guide to target them.

Fishing in Longmont in December

December is a slower stretch for fishing around Longmont — see the peak months above for better timing.

Fishing in Longmont

Longmont, Colorado offers freshwater fishing with 4 species reported in the area and 1 local guide ready to take you out. The best months to fish are March, April, May, June.

Best Months

MarAprMayJun

Water Types

freshwater

What You Can Catch in Longmont

Crappie

Crappie fishing near Longmont might require a bit of exploration, but it can be rewarding. Union Reservoir is your most likely bet, although these fish aren't heavily targeted, so information can be scarce.

Full crappie guide for Longmont

Largemouth Bass

If you're chasing largemouth bass near Longmont, Colorado, your best bet is to focus on local reservoirs and ponds. Union Reservoir, just northeast of town, is a popular choice, but don't overlook smaller, lesser-known spots like McIntosh Lake or even some of the gravel pits that have filled with water over time.

Full largemouth bass guide for Longmont

Brown Trout

While Longmont isn't exactly known as a brown trout mecca, some surprisingly good fishing can be found within a short drive. The St.

Full brown trout guide for Longmont

Rainbow Trout

For rainbow trout fishing near Longmont, you'll want to head towards the foothills and mountains west of town. While not directly in Longmont, the St.

Full rainbow trout guide for Longmont

Nearby Cities with Fishing Guides

Plan a Trip to Longmont

See what's biting in Longmont, find top-rated guides, and estimate charter costs.

Plan Your Trip

Types of Fishing in Longmont

Inshore

1 guides available

Are you a fishing guide in Longmont, Colorado?

Join our directory free in 2026 — starting 2027, listings are $99/year.