Experience the Enchanting Blue River and Rio Celeste Waterfall Embark on a 6 km guided hike through the Tenorio Volcano National Park on our Rio Celeste from La Fortuna, home to one of the seven natural wonders of Costa Rica, the Rio Celeste. The most famous feature of this river is its striking bright blue color, a phenomenon that you simply must see to believe. See more : https://riocelesteaventuras.com/tours/rio-celeste-hike-from-la-fortuna/