Intermittent Spring (Periodic Spring)
Afton, Wyoming
Hike
The Periodic spring is the largest of three intermittent springs in the world. From late August to May, the flow cycles on and off at regular, predictable intervals. The spring runs up to 100 cubic feet per second of clear, ice cold water for about 18 minutes. The water then begins to subside and gradually ceases altogether for 15-20minutes. The Spring is located approximately five miles East of Afton, Wyoming.
More Information
Add ResourceBe courteous, informed, and prepared. Read trailhead guidelines, stay on the trail, and don't feed the wildlife.
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- Plan Ahead and Prepare
- Travel & camp on durable surfaces
- Dispose of waste properly
- Leave what you find
- Minimize campfire impacts
- Respect wildlife
- Be considerate of other visitors
Directions
From Afton, Wyoming
- Head east on E 4th Ave toward Adams St (315 ft)
- Turn left at the 1st cross street onto Adams St (0.3 mi)
- Turn right at the 2nd cross street onto E 2nd Ave (0.7 mi)
- Continue onto Forest Rd 10211/Swift Creek Rd (1.1 mi)
- Turn left to stay on Forest Rd 10211/Swift Creek Rd (3.1 mi)
The Spring is located approximately five miles East of Afton, Wyoming.
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