Periodic Spring Picnic Site

Two picnic tables and a vault toilet along Swift Creek offer a rest for people after their trip to watch Periodic Spring pulse. An easy 3/4 mile hike brings visitors to see one of only 3 cold-water 'geysers' in the world. The spring turns on and off in 18-minute cycles. Interpretation of this phenomenon is also provided.

At a Glance

Usage: Light
Closest Towns: Afton, Wyoming
Water: No
Restroom: No
Operated By: Forest Service

General Information


From the Town of Afton, Wyoming, head north on United States Highway 89 (US-89) then make a right turn onto East 2nd Avenue and follow it for approximately one mile into the Bridger-Teton National Forest. Once on the forest the road name changes to Swift Creek/Forest Service Road 10211 (FS-10211). Follow FS-10211 for approximately 5 miles to the end of the road and Periodic Spring Picnic Area is a short walk beyond the parking area.

Approximate travel details from the Town of Afton: 5 miles, 15 minutes.

Recreation Map

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Recreation Areas

Recreation Activities


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