Periodic Spring

No permit or access details on file for this trail — check with the local land manager before you go.

Periodic Spring is a 2.1-mile out-and-back trail located in Wyoming. This unique destination features a natural spring with distinctive periodic flow patterns, making it an intriguing geological attraction for hikers of varying experience levels. The trail provides access to one of Wyoming's most unusual natural phenomena. Visitors can observe the spring's remarkable behavior as it cycles between flowing and non-flowing states throughout the day. This rare hydrological feature draws geology enthusiasts and curious hikers seeking something beyond typical trail experiences. The out-and-back format makes distance planning straightforward, with a total roundtrip of 4.2 miles. The moderate length makes it accessible for most fitness levels, though hikers should come prepared with adequate water and sun protection. The spring itself rewards the hike with a fascinating display of nature's geological processes. Best visited during periods of active flow, the trail offers a chance to witness a natural wonder that few people experience. The relatively short distance makes it feasible as a half-day adventure while still delivering memorable geological interest.