Whitewater · Potrerillos, MendozaWhitewater rafting, Mendoza RiverADVANCEDRisk: HIGHARS Half-day ~24,000–60,000Glacial melt off the Andes feeds continuous Class III–IV rapids a short drive from Mendoza's wine country, with the canyon walls closing in tight enough in places that there's no walking out if you swim.View details