The Big Thompson River in Colorado is an excellent spot for fly fishing enthusiasts who seek a challenge. Brown and rainbow trout are the predominant fish species, and the river is famous for its big browns. The area is surrounded by mountains and offers scenic hiking and camping opportunities. The best time to visit is from June to October when the average temperature is in the mid-60s to low 70s. Fishing is best in the early morning or late afternoon when the fish are more active. Fishing tips include using light tippets, small flies, and stealthy approaches.
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