The Missouri River is the longest river in North America stretching over 2,300 miles. The Missouri is formed at the confluence of three major rivers, the Madison, Jefferson, and Gallatin rivers near Three Forks Montana. Its size and grandeur are matched only by its significance in history, as it played a vital role in the Lewis and Clark expedition. Today, the river continues to captivate adventurers and fly fishers with its untamed beauty and exceptional blue ribbon fishing opportunities.
What Makes It Special?
Several factors contribute to the Missouri River’s status as a premier tailwater fishery:
- Consistency: Stable water flows out of Holter dam and temperatures ensure year-round fishing opportunities, unlike many rivers that are subject to seasonal extremes.
- Prolific Insect Hatches:Throughout the year, the river teems with insect activity, making it a haven for dry fly enthusiasts, nymphers, and even streamer junkies.
- Accessibility: The river’s proximity to Helena, Great Falls, and Bozeman makes it easily accessible for anglers. Public access points and boat ramps are plentiful, allowing for both wade and drift boat style fishing.
- Diverse Fishing Styles: Whether you prefer sight casting dry flies to sipping trout, fishing nymph rigs through deep runs, or stripping streamers for big aggressive trout, the Missouri river offers it all.
- Scenery: Beyond the fishing, the river’s scenery, wildlife and geology is second to none. Towering canyon walls, rolling prairie, and Montana’s iconic big skies make every moment on the water memorable.
Trout Species on the Missouri River
This mighty Missouri boasts some of the highest rainbow and brown trout densities in the state. Fish counts from Holter dam to the town of Craig are approximately 7000 fish per mile. The trout in this section are known for their size and strength, with many fish measuring over the 20 inch mark.
Best Seasons for Fly Fishing the Missouri River
Each season brings its own delights for fly anglers on the Missouri River.
Spring heralds the beginning of the fishing season, with the river awakening from its winter slumber. As temperatures rise, hatches become more prolific, and trout become increasingly active, eagerly feeding on emerging insects.
Summer brings long days and warm temperatures with prolific hatches of caddis, PMD’s, terestals and trico mayflies.
Fall casts a spell of tranquility over the Missouri River. The crowds thin, and the landscape transforms into a kaleidoscope of vibrant colors. Cooler temperatures trigger a resurgence of insect activity, with blue-winged olives and midges dominating the menu. It’s a season of quiet and the chance to land some of the river’s largest trout before winter sets in.
Winter may seem like an unlikely time to fish, but it offers solitude and the opportunity to catch trophy trout. Midge hatches provide the main source of sustenance for trout during these colder months. Nymphing deep pools and runs can yield impressive results.
The Land of Giants Section of the Missouri River
This famed stretch of the Missouri River is just a short drive from downtown Helena. Flowing from Hauser Dam down to upper Holter lake. Fly Fishing the Missouri River in The Land of the Giants section it is not uncommon to see large rainbow trout in the 22-24″ range with some fish pushing the 30″ mark. In addition, The Land of the Giants can provide anglers with opportunities at Kokanee salmon and Walleye. While some wade fishing opportunities are available, the Land of the Giants is best fished with a jet boat.
The Missouri River isn’t just a fishery; it’s an experience. From its bug-rich waters to its striking landscapes, this tailwater exemplifies what makes Montana’s fly fishing so legendary. Whether you’re a seasoned angler chasing trophy trout or a newcomer eager to learn, the Missouri River promises a rewarding adventure.