balsa — raft

bosque — forest

bote — boat

bucear — scuba diving

cabalgata — horseback ride

caminata — hike

canopy — ziplining

catarata — waterfall

centro de rescate animal — animal rescue center

ciclismo — cycling

cuadraciclo — all-terrain vehicle (ATV)

paracaidismo — sky-diving

pesca — fishing

puentes colgantes — hanging bridges

puesta del sol — sunset

rafting — rafting

remar — to paddle 

remo — a paddle

snorkeling — snorkeling

termales — hot springs

velero — sailboat

ver pajaros — bird-watching

volcán — volcano