Rainbow Trout Fishing Fort Peck Montana

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Overview

Rainbow Trout are one of the most recognizable and beloved fish in North America and for good reason. In Montana, they thrive in cold, clear waters where their colors are brightest, their fights strongest, and their size most impressive. Whether you’re trolling vast open reservoirs or working a jig through the ice, catching a rainbow trout is a highlight of any Montana fishing trip.

At Get The Net Outfitters, we target rainbow trout exclusively on Lake Koocanusa. This deep mountain reservoir offers an incredible fishing experience, known for its healthy population of rainbows and stunning scenic backdrop.

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Where We Fish for Rainbow Trout

Lake Koocanusa is one of the premier rainbow trout fisheries in the Northwest. Its 90-mile stretch of deep, cold water supports a healthy, year-round rainbow population. The lake’s clarity and depth provide ideal habitat for these fast-growing trout, with fish commonly exceeding 24 inches.

Best Seasons for Rainbow Trout Fishing

Rainbow Trout can be caught year-round, but their activity levels peak during cooler water temperatures.

  • Spring (March–May): Rainbows feed aggressively before and during the spawn. This is one of the best times to fish shallow shorelines and points.
  • Fall (September–November): Fish move shallow again as temperatures drop. Trolling and casting small crankbaits or spoons can be highly productive.
  • Winter (December–March): Although rainbow trout ice fishing is common on many Montana lakes, we don’t target rainbows through the ice on the waters we guide. Instead, we focus on other productive winter species to keep the action going all season long.

During the heat of summer, rainbows often move deeper, following cooler water and suspended baitfish. That’s when trolling deeper lines or using downriggers can keep the bite consistent.

How We Target Rainbows

Our techniques vary depending on season and lake conditions, but the goal is always to match the forage and water clarity of the system.

  • Trolling: One of the most reliable methods year-round. We use small spoons, crankbaits, and attractor rigs to cover water efficiently.

We use light tackle setups to make the most of the fight. Rainbows are known for their leaps and long runs, making them an angler’s favorite across all experience levels.

The Rainbow Trout Experience

Rainbow trout aren’t just fun to catch they’re beautiful, strong, and symbolize everything that makes Montana fishing special. They’re often the first fish new anglers fall in love with, and they continue to challenge even the most experienced fisherman.

When hooked, rainbows fight with quick bursts and surface acrobatics, flashing their bright pink sides in clear water. On calm mornings, you’ll often see them breaking the surface, chasing baitfish or sipping insects.

Our guided rainbow trout trips are designed to make the most of those moments combining local knowledge, professional equipment, and a deep respect for the fish and the fisheries that sustain them.

Trip Details

  • Locations: Lake Koocanusa
  • Duration: Full-day 
  • Gear Provided: All rods, reels, tackle, and bait
  • What to Bring: Food, drinks, and a valid Montana fishing license
  • Season: Late October through the winter, depending on conditions. Trips are offered based on interest and accessibility — if the lake ices over, we don’t fish it.

Book Your Rainbow Trout Trip

At Get The Net Outfitters, we specialize in rainbow trout fishing on the pristine mountain waters of Lake Koocanusa. We don’t chase rainbows on frozen reservoirs. Instead, we focus on providing an unforgettable open-water experience. Whether you’re new to fishing or an experienced angler looking for your next memorable catch, we’ll help you find it.
 
Call or book online today to reserve your Montana rainbow trout fishing trip.

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