Montana Agate Fest

Montana Agate Fest 2026. Located in Forsyth Montana.

Forsyth is about mid point of the infamous Yellowstone River, which holds the one of a kind Montana Moss Agate.

Join in on a 3 day fun filled, family friendly event that will be sure to make Montana History.

Adults $10 per day or $20 for the weekend.
Kids 12 and under are free.

You may also like the following events from Eddie White:

• This month, 28th March, 10:00 am, Sidney MT Gem and Mineral Show in Sidney
• This May, 2nd May, 10:00 am, Sheridan WY Gem and Mineral Show in Sheridan
• This May, 29th May, 02:00 pm, North Dakotas Flint Fest in Parshall

Also check out other Festivals in Forsyth, Kids events & activities in Forsyth.