A Breathtaking Rio Celeste Blue River and Waterfall As you continue the hike, you’ll come to the famous Blue Lagoon, where two rivers of crystal-clear water meet and the Rio Celeste takes on its mesmerizing blue hue. If weather permits, you’ll also be able to see the majestic Tenorio Volcano towering over 1960 meters in the distance. Explore : https://riocelesteaventuras.com/tours/rio-celeste-hike-from-la-fortuna/