Map of St. Vrain Creek (Lyons) in Boulder County, Colorado

Freshwater creek in Boulder County, Colorado

Fishing St. Vrain Creek (Lyons)

St. Vrain Creek (Lyons) is a freshwater creek in Boulder County, Colorado, about 334 acres. Cobia anglers have logged brown trout and rainbow trout here. Cobia reads the wind, weather and water temperature here every day and tells you when to be on it.

2species logged

334acres

What lives here

Fish in St. Vrain Creek (Lyons)

Cobia anglers have logged 2 species on St. Vrain Creek (Lyons). Each one opens its Fishdex profile.

Brown Trout Salmo trutta Uncommon

Rainbow Trout Oncorhynchus mykiss Uncommon

The water

St. Vrain Creek (Lyons) at a glance

Type: Creek
Water: Freshwater
Where: Boulder County, Colorado
Size: About 334 acres
Center: 40.2111, -105.2368

Where the numbers come from

Stations Cobia reads

USGS water gauge06724970
USGS water gauge400853105563701

Tide predictions, water levels and river flow for St. Vrain Creek (Lyons) come from these public stations. Cobia combines them with the wind and weather forecast into one score for the day.

In the app

Plan the trip before you launch

Daily briefing

A score for the day out of 100, with the reasons, the best windows and a seven day lookahead.

Tides and solunar

NOAA tide curves and the solunar feeding windows, side by side for the day you pick.

Water conditions

Water temperature, waves, flow and clarity from the station nearest the water you fish.

Questions

St. Vrain Creek (Lyons) questions anglers ask

What fish can you catch in St. Vrain Creek (Lyons)?

Cobia anglers have logged brown trout and rainbow trout in St. Vrain Creek (Lyons). The list is built from logged catches, and it grows as more come in.

Is St. Vrain Creek (Lyons) saltwater or freshwater?

St. Vrain Creek (Lyons) is fresh water.

Where is St. Vrain Creek (Lyons)?

St. Vrain Creek (Lyons) is a creek in Boulder County, Colorado, centered near 40.2111, -105.2368.

Is there a fishing tournament on St. Vrain Creek (Lyons)?

Not one run by Cobia right now. Anyone can start a free Slam on St. Vrain Creek (Lyons) in the app, pick the fish and the dates, and invite friends, a club or a shop.

Can other anglers see where fish are caught in St. Vrain Creek (Lyons)?

Not the exact spots. Each angler chooses whether a catch shares the exact spot, a general area or just the name of the water, and no paid tier shows anyone more. Pages like this one show the species and a rounded count, never a spot.

What are the size and bag limits in St. Vrain Creek (Lyons)?

They depend on the species and the season. When you log a catch, Cobia names the species from the photo and shows the slot limit, bag limit and season for that species where you are standing.

Colorado