Big Spring Creek

Big Spring Creek

MT

Spring Creek

Directions

Forecast

About Big Spring Creek

Big Spring Creek is a 30-mile premier trout stream in central Montana, originating from a powerful artesian spring and flowing through diverse landscapes before reaching the Judith River. This easily accessible waterway, averaging 30 to 45 feet in width, is home to abundant brown and rainbow trout, including trophy-sized specimens. Anglers will find excellent opportunities for dry fly fishing, particularly during hatches of Caddis, Golden Stone, and Blue Wing Olive. With seven Montana FWP maintained Fishing Access Sites and the nearby town of Lewistown, Big Spring Creek offers convenient access for anglers of all skill levels, eliminating the need for long hikes. The stream's clear, cool water, remaining around 52 degrees year-round, can make trout selective, demanding precise presentations.

Big Spring Creek Hatch Chart

Loading active hatches…

Unlock full pattern & timing details

View specific species & recommended fly patterns for each active hatch.

Want live flow & temp? Scroll to water conditions & gages.

Quick Actions

Location

Trip Planning

Best fishing typically occurs during year round. Check water conditions before heading out.

See what insects are emerging on Big Spring Creek's hatch forecast — including active hatches, water temperatures, and which patterns to have in your box this month.

Get IdentaFly on your phone

Hatch forecasts, river gages, fly scanning, and your journal — built for on-stream use. Be prepared before you get to the water. Free on the App Store and Google Play.

IdentaFly mobile app showing favorite river gages with flow, temperature, and trends

Conditions Report

Read tips and insights about recent conditions for Big Spring Creek — gathered from on line sources.

Read the Conditions Report

Water conditions (USGS)

Water conditions for the last 7 days. You can gain insights to fishing activity based on these conditions, like water temperature and flow.

Data sourced from USGS National Water Information System

Access

Easy AccessUrban

Seasons

Year Round

Terrain

Scenic Valley

Water

Spring FedLimestone

Fish Species

Brown Trout

Rainbow Trout

Cutthroat

Fishing Styles

Dry FlyNymphing

Methods

Wade Friendly

Land Ownership

State Wildlife Area