Johnsrud Park is a day-use-only Fishing Access Site on the Blackfoot River near Bonner, Montana, featuring a carry-in boat launch (non-motorized watercraft only), concrete ramp, pit toilets, drinking water, and recreational amenities including a swimming hole, picnic shelter, horseshoe pits, and volleyball court.

The site serves as a popular put-in/take-out point for river floaters and boaters, with ample parking and tree-shaded areas, though it can get busy during peak summer months. Note that overnight camping is no longer permitted at this location.