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Giant Springs State Park, Great Falls

(320+ reviews on the web)
State Park
Giant Springs is a large first magnitude spring located near Great Falls, Montana and is the central feature of Giant Springs State Park. Its water has a constant temperature of 54°F and originates from snowmelt in the Little Belt Mountains, 60mi away. According to chlorofluorocarbon dating, the water takes 50 years to travel underground before returning to the surface at the springs according to the placard at the state park.Giant Springs is formed by an opening in a part of the Madison aquifer, a vast aquifer underlying 5 U.S. States and 3 Canadian Provinces. The conduit between the mountains and the spring is the geological stratum found in parts of the northwest United States called the Madison Limestone. Although some of the underground water from the Little Belt Mountains escapes to form Giant Springs, some stays underground and continues flowing, joining sources from losing streams in the Black Hills, Big Horn Mountains and other areas. The aquifer eventually surfaces in Canada. Giant Springs has an average discharge of 242cuft of water per second or 150 million gallons per day.
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Reviews
TripAdvisor
  • Very clear water, lots of trout to see. Education: Interesting to discover the water at Giant Springs takes 50 years to travel from the mountain, underground to the springs.  more »
  • Went mountain biking here with a friend. Trails were nice, a little steep for me but not too bad. Lots of yucca but the views were gorgeous and the people were friendly.  more »
  • Here the water bubbles out of the rocks after traveling through the Belt Mountains and is crystal clear. It travels into both the longest U.S. River, the Missouri and the shortest river, the Roe which...  more »
Google
  • I went their to see how much the fish hatchery and park had changed since the last time I was there. It had been allot of years since I felt up to walking. I got charged the out of state visitor fee. I told the you g blond women that I grew up in Great Falls. She clearly tuned me out and never got around to asking if my car was registered in Montana. I went back today. I made the fact clear she charged me the fee. I was talkative yesterday. She did not interrupt rudely, like she had anything better to do, and today, because I am an old resident here in Montana I got the $3.00 back, then took the stroll along short little roe river.
  • So beautiful. This is a great place for pictures. There are grills if you want to cook out. Also great for sledding in winter.
  • We LOVE the dog park! Everyone is always super friendly and it is such a relaxing place place to play with family.
  • This is a beautiful state park. It's free for Montana residents and $6 per car for everyone else. In addition to the springs there are hiking trails to the waterfalls and a fish hatchery with self guided tours. Lots of terrific photo opportunities here.
  • The scenery is beautiful here! I love that the picnic area was close to the playground, and the provided bathrooms.