Lamar River
4.8(99)google
4.7(23)yelp
FishingRiverSecluded & UncrowdedWildlife Watching
Overview
The Lamar River flows gracefully through Yellowstone's northeastern wilderness, slicing open the rich valleys that support North America's premier wildlife ecosystems. Renowned globally among fly-fishing enthusiasts, its clear mountain waters are packed with native Yellowstone cutthroat trout. The riverbanks serve as a vital travel corridor for bison herds, grizzly bears, and wolf packs navigating the rugged landscape.
Practical Info
Suggested Duration1-2 hours
Best TimePerfect during early summer and autumn mornings or late golden hours (June to September). Winding through the expansive Lamar Valley, this river is a critical water source where immense bison herds gather on the gravel bars to drink, bathe, and cross the currents.
Getting ThereRunning alongside the Northeast Entrance Road in the Lamar Valley. While driving, the river parallel stretches outside the windows. Drivers can pull into dedicated fly-fishing or scenic dirt parking pullouts to walk down toward the banks safely.
Travel Tips
- The river is a legendary fly fishing destination, but conditions are highly fluid. Early summer snowmelt turns the channel muddy and unfishable through June. The elite window for clean currents and dry-fly action runs from mid-July through September.
- Anglers must carry a dedicated Yellowstone National Park Fishing Permit (standard Wyoming state licenses are invalid inside park borders). Regulations strictly mandate using barbless single hooks and immediate catch-and-release for all native cutthroat trout.
- The riverbanks feature dense willow thickets heavily utilized by foraging grizzly bears. Never wade or track silently through head-high brush; shout vocally every few minutes to warn wildlife and secure bear spray externally on your wading harness.
Reviews
Positive
- The river flows gently through the wide Lamar Valley; its pristine waters and wild banks craft the purest, most iconic Wyoming canvas.
- A premier haven for fly fishing enthusiasts; wild cutthroat trout are abundant, and casting by the river is deeply therapeutic and relaxing.
- During early mornings or evenings, massive herds of bison line up along the river to drink, an eye-opening primal wildlife spectacle.
- A few sparse, primitive trails skirt the riverbanks; walking here means zero industrial noise, only bubbling water and bird songs for deep quiet.
Heads up
- During spring and early summer when snowmelt swells the river, the water gets muddy and turbid, ruining both aesthetics and fishing.
- The brushy banks sit right in grizzly and wolf core territory; dense grass blocks lines of sight, requiring high alert and bear spray if hiking solo.
- The site features zero manicured boardwalks, steps, or restrooms; the slick dirt banks pose a slip-and-fall risk for seniors or toddlers.
- Mosquito and midge biting is rampant in the summer, especially near stagnant bends; swarms circle relentlessly, forcing you to armor up.