Looking across a hilly, geothermal landscape of bleached rock and soil with trees along the edges.

Sulphur Springs Geology Tour

Valles Caldera National Preserve

  • 30 - 90 minutes
  • 8 tour stops

Welcome to the self-guided Sulphur Springs geology tour! Sulphur Springs is the premier location to witness geothermal activity at Valles Caldera National Preserve. Features like hot and cold springs, mudpots, and fumaroles are common here. During this tour, please watch your step and stay a safe distance from the features. The terrain is rough, and there is currently no designated trail to follow through Sulphur Springs.

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