Is this the trail head for....?
Is this the trail head for....the Lower Butler Wash petroglyph panel on the San Juan River?
Or I guess it could be the pull-in spot for the River House, which is one of the largest, most famous, and most well-visited Anasazi ruins along the river -- but the beach looks all wrong for that place....
Howza about the San Juan River?
Am I getting warmer for the location?
Mark
(Sigh) So this is a specific event each year?
Well, that would seem to rule out a hot spring, perhaps some kind of critter is hatched born here each year?
hmmm