Fishing Near Lewistown, Montana

Lewistown sits at 4,121 feet in the exact geographic center of Montana. Big Spring Creek, a blue-ribbon trout stream, flows through town. Spring-fed and crystal-clear, it supports excellent populations of rainbow trout and brown trout. With 3 lakes within 30 miles, 1 river in the data, and central Montana streams throughout the region, Lewistown offers premier trout fishing in one of Montana’s most distinctive landscapes. With 3 lakes within 30 miles and 1 hot spring nearby, the region’s spring-fed waters are the main draw. Spring Creek Trout Hatchery (3 miles) raises fish for stocking. For Montana's fly fishing heritage, see our Fly Fishing Guide. For the full town profile, see our Lewistown guide.

At a Glance

• 3 lakes within 30 miles
• 1 river in the data
• Primary species: Rainbow trout, brown trout
• Star fishery: Big Spring Creek—blue-ribbon trout, flows through town
• Spring Creek Trout Hatchery: 3 miles
• Water type: Spring-fed, central Montana streams
• License required: Montana fishing license (available at local shops and fwp.mt.gov)

Big Spring Creek

Big Spring Creek flows through Lewistown and is one of Montana’s premier trout fisheries. Fed by one of the largest springs in the American West, the creek carries cold, clear, spring-fed water that supports excellent populations of rainbow trout and brown trout. The creek runs right through town, offering convenient access for fly fishing. Big Spring Creek is a blue-ribbon stream and a major draw for anglers visiting central Montana.

Fly fishing is extremely popular on Big Spring Creek. Dry flies, nymphs, and streamers all produce. The spring-fed flows keep water temperatures ideal through summer. Access is available at various points along the creek corridor. Respect private property and use established access points.

Spring Creek Trout Hatchery

Spring Creek Trout Hatchery (3 miles from Lewistown) raises fish for stocking and supports the Big Spring Creek fishery. The hatchery area offers additional fishing opportunities and is a short drive from town. Visitors can learn about trout propagation and the role of spring-fed waters in central Montana’s fisheries.

Rivers Near Lewistown

Beyond Big Spring Creek, central Montana streams throughout the region provide creek fishing for trout. These waters flow through prairie, foothill, and canyon settings, offering half-day and full-day fishing opportunities. The intimate scale of these streams rewards careful, stealthy approaches with light tackle.

Fishing Access Sites

No formal FWP fishing access sites lie within 30 miles of Lewistown. Access to fishing waters is available through wildlife management areas and bridge crossings on public roads. Big Spring Creek offers multiple access points along the creek corridor.

Lakes Near Lewistown

3 lakes lie within 30 miles of Lewistown, a mix of reservoirs and natural lakes. These waters provide still-water fishing opportunities to complement the stream fishing on Big Spring Creek. The combination of creek and lake fishing within a short drive makes Lewistown a versatile base for anglers.

Species Guide

Seasonal Guide

Spring (March–May): Big Spring Creek fishes year-round due to spring-fed flows. Spring runoff can affect some tributaries. Lake ice typically comes off in April; still-water fishing picks up as water warms.

Summer (June–August): Prime season across all waters. Big Spring Creek fishes well with dry flies, nymphs, and streamers as flows stabilize. Lake fishing is productive. Fly fishing on Big Spring Creek is at its best.

Fall (September–October): Many consider fall the best fishing season. Creek flows drop and clarify, making for excellent sight-fishing. Brown trout become more active in cooler water. Fewer anglers on all waters.

Winter (November–March): Big Spring Creek can be fished through winter on warmer days with nymphs and streamers. Lakes may offer ice fishing when conditions allow. Winter fishing near Lewistown requires dressing for cold and snow.

Regulations and Conservation

A Montana fishing license is required for anyone 12 and older on all state waters. Licenses are available online at Montana FWP or at local sporting goods stores. Non-resident licenses are available for durations ranging from two days to a full season.

Always check current FWP regulations before fishing any water near Lewistown.

For hiking and other outdoor activities near Lewistown, see our hiking guide.