In May, the Visitor Center is open from 11:00am to 5:00pm on weekends only, or by appointment.

From the end of May to September the Visitor Center is open from 10:00am to 6:00pm, seven days a week.

In October, the Visitor Center is open from 11:00am to 5:00pm on weekends only, or by appointment.

The park fee is charged per vehicle if the vehicle has Montana license plates the park is free.

The park fee for out of state vehicles is $8 per vehicle.