Giant Springs State Park

Come marvel at this day-use park’s remarkable features and view the variety of birdlife. Take part in our special events, picnic by the Missouri River, visit the fish hatchery and visitor center, walk along the Rivers Edge Trail, view the nearby Rainbow Falls overlook, or visit the neighboring Lewis and Clark Interpretive Center operated by the U.S. Forest Service.

Giant Springs was discovered by the Lewis and Clark Expedition in 1805 and is one of the largest freshwater springs in the country. The springs flow at a rate of 156 million gallons of water per day and the water stays at a temperature of 54 degrees. This is also the site of the Roe River, once listed in the Guinness Book of World Records as the world’s shortest river. Giant Springs State Park contains over 30 miles of paved and dirt single-track trails in settings that vary from developed to very primitive.

Giant Springs State Park is a day-use only site and no camping is available.



Contact Information

Giant Springs State Park
Reservations and Information:

4803 Giant Springs Rd. Great Falls, MT 59405

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Other Information

  • Hours Open

    Sunrise to Sunset (day use only)
  • Seasons Open

    Open Year Round
  • Prices and Fees

    Non Resident Single Day Entrance Fee - $8 Resident Fee- $0
  • Accessibility

    Main Parking lot, Giant Spring area, main trail, and Hatchery are accessible. Many trails throughout the park are not accessible due to their uneven and dirt nature.
  • Eco Friendly Notes

    Here at the park, we ask visitors to follow the leave no trace principles. Please dispose of trash and recyclables in designated bins and respect the experience of other park visitors.
  • Pet Friendly Notes

    Dogs allowed on leash