Volcano Trekking · Alajuela ProvinceArenal Volcano trekkingADVANCEDRisk: MODERATEUSD Guided day hike US$45–70A near-perfect stratovolcano cone that was continuously active for over 40 years until 2010 and remains closely monitored — trails through hardened lava fields at the base give an up-close look at an eruption's aftermath, with the summit itself still off-limits to hikers.View details
Canyoning · Alajuela ProvinceCanyoning, La Fortuna waterfallsADVANCEDRisk: HIGHUSD Half-day tour US$85–120A cascade of multiple rappels down rainforest waterfalls near Arenal Volcano, including one free-hanging drop of over 50m through the spray of a cascading falls — full harness-and-helmet descents through genuine jungle, howler monkeys frequently audible overhead.View details
Diving · Cocos Island National ParkDiving, Cocos IslandEXPERTRisk: HIGHUSD 10-night liveaboard US$…A remote, uninhabited UNESCO island 550km off the mainland, liveaboard-only, famous for enormous schooling hammerhead sharks and regular whale shark and manta encounters — consistently ranked among the best big-animal dive destinations on Earth.View details
Mountain Biking · Coast to coast, central Costa RicaMountain biking, La Ruta de los ConquistadoresEXPERTRisk: HIGHUSD Guided multi-day packag…A legendary multi-day mountain bike route crossing the country from Pacific to Caribbean coast, over volcanic terrain, through cloud forest and coffee farms — originally raced competitively, the full route is now also ridden by strong amateurs as a serious multi-day challenge.View details
Surfing · Puntarenas ProvinceSurfing, PavonesEXPERTRisk: MODERATEFreeOne of the longest left-hand waves on the planet — on a good swell, a single ride can run for over a kilometre and several minutes, drawing surfers who specifically travel here to test their stamina against the wave's sheer length rather than its size.View details
Surfing · Puerto Viejo, Limón ProvinceSurfing, Salsa BravaINSANERisk: EXTREMEFreeCosta Rica's heaviest, most dangerous wave — a powerful Caribbean reef break named for the violent "salsa" of whitewater it throws, breaking directly over shallow, sharp coral close enough to shore that mistakes are visible from the beach.View details
Whitewater · Limón / Cartago ProvincesWhitewater rafting, Pacuare RiverADVANCEDRisk: HIGHUSD 2-day raft-in lodge tri…Consistently ranked among the best commercially rafted rivers on Earth — Class III–IV rapids run through an undeveloped rainforest gorge with waterfalls dropping directly into the river, often as a multi-day trip with an overnight at a jungle lodge accessible only by raft.View details