County Fair Guide

Madison County Fair

Twin Bridges, Montana

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2026 Dates

August 5–9, 2026

Duration

4 days

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Size

small

Highlights

Expect livestock judging, 4-H competitions, carnival rides, and the ranching and fly fishing community spirit of one of Montana's most scenic and fish-rich river systems.

Good to Know

Twin Bridges is where the Jefferson, Madison, and Beaverhead rivers converge — the Madison, Ruby, and Beaverhead rivers are among the most celebrated trout streams in the world.

Madison County Fair Overview

In Twin Bridges, the Madison County Fair is a four-day August celebration in the Madison River headwaters country, serving the ranching communities of Montana's world-famous trout fishing valleys.

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