By Kimberly Beck10/05/2011Costa Rica Living, Wildlife Information Zoneblue, Costa Rica, day, exposure, green, image, long, rio, river This is Rio La Perla in San Bosco, Limon, Costa Rica. The river runs from Turrialba volcano down to where it meets up with Rio Destierro and the two form one larger river that runs on into the Caribbean Sea approximately 30 miles away.