Missouri Headwaters State Park Fishing Access Site provides access to the Madison River at the confluence of the Jefferson, Madison, and Gallatin Rivers.

The park offers a boat ramp, parking, picnic areas, and interpretive trails, making it suitable for both fishing and paddling activities.

Day use fees apply for non-residents ($8 per vehicle), and the site is open year-round with amenities including restrooms, water access, and informational displays.