People swim in the Celest
e river waterfall at Tenorio Volcano National Park in Upala, Costa Rica. The blue color of the lagoon, formed from chemical reactions of calcium carbonate and sulfur, is surrounded by amazing rainforest of 12,819 hectares of this park. The Celeste river carries its color for a distance of 36 km (22 miles).Costa Rica offers so much for adventure travellers with kayaking, canyoning, mountain biking, white water rafting, zip lining, climbing, hiking, horse riding and lots more.
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