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Grant Porter — 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.
Grant Porter serves as the current owner and manager of Middle Fork Rapid Transit, a position he built alongside his three brothers as they developed the company from its inception. Drawing on his foundational role in establishing the outfitting operation, he brings deep expertise and commitment to delivering exceptional river experiences. His leadership reflects both his hands-on involvement in the company's growth and his dedication to the rivers and communities he serves.
No services listed
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No waters linked
This provider has not been associated with rivers or access sites yet.
Boise, 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.