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Zoe Grumbach — Idaho fishing guide or outfitter.
Best Season
May – October
Best Season
The seasons when this guide most often runs trips.
Group Size
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Group Size
Typical number of guests on a trip with this guide.
Primary Waters
Idaho waters
Primary Waters
Regions where this guide primarily operates within.
Skill Level
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Skill Level
The angler XP level best suited for trips with this guide.
Guiding Experience
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Guiding Experience
How long this guide has been guiding professionally.
Zoe Grumbach guides wilderness trips for Helfrich River Outfitters, bringing experience from her work on Colorado's Roaring Fork, Arkansas, and Colorado Rivers. Originally from San Francisco and raised in a family that cherished outdoor pursuits, she first experienced Idaho's remote backcountry during a Middle Fork family trip in 2019, an experience that solidified her passion for guiding. She joined the Helfrich team as a swamper in summer 2020 and continues to return seasonally to share her enthusiasm for the Middle Fork's stunning landscapes and peaceful wilderness. When not on the water, Zoe attends Colorado College and pursues her love of skiing and climbing.
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No waters linked
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Salmon, ID
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An official Idaho outfitter/guide license is on file for this provider.
Sourced from official Idaho Board of Outfitters & Guides license records. This listing has not yet been claimed by the provider. Last updated August 16, 2026.