A San Martín de los Andes agency running the adventure side of the region: rafting, excursions to the Lanín volcano, mountain biking, and the drive along the Seven Lakes Road towards Villa La Angostura. They also handle transfers, which matters in a place where the airport at Chapelco is twenty minutes out of town.
Office on the main avenue; bookings by WhatsApp, which they invite on their own site.