Tributary Anglers is a fly-fishing outfitting business based in Helena, Montana. We offer guide services primarily on the Missouri River. We are passionate about our local waters and trout. Join us for an adventure! Our mission is to provide you with angling experiences that will leave you with stories and memories to last a lifetime.

Meet Your Guide

Tanner Duncan


Tanner Duncan is the outfitter for Tributary Anglers. He grew up in Montana and developed his love for fly fishing at a young age while fishing the local waters with his father. He began working the rivers at age 19 running gear boats on Montana’s Smith River during the summers while pursuing a degree in education at the University of Montana. Within a couple of years, he was in the rower's seat of a guide boat and now has over 20 years of experience on many of Montana’s rivers. Tanner met his wife when they were both working in the fly-fishing world as high school and college students. They have been married for 15+ years and have an 8-year-old son. It is a dream to share his passion for fly-fishing with such an enthusiastic and supportive family. You will find the Duncan family, and their yellow lab Walter, out on many Montana adventures. They love to fly-fish, float the rivers, camp, hike, hunt, and ski.

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