March 18, 2013

Tenorio Volcano National Park, Costa Rica

Photograph by Tobias Hauser, laif/Redux

A Celeste River waterfall plunges into a blue pool in Tenorio Volcano National Park, a verdant oasis in northern Costa Rica. The river's blue hue comes from volcanic sulfur and calcium carbonate.

Take a Family Trip to Northwest Costa Rica >>

Travel 365. Explore the world, one incredible image at a time.

Take a Nat Geo Trip

Select a destination or trip type to find a trip:

See All Trips »

Join Nat Geo Travel's Communities




2015 Traveler Photo Contest

  • Picture of a tree under night stars in Deadvlei, Namibia

    See the Winners

    Explore the top photos, share your favorites, and browse all entries.