Alunco. Everything from hour-long tours in Bariloche to week-long excursions in the surrounding countryside can be arranged by Alunco. The company works with local guides who know the area well and have partnerships with many estancias and restaurants. Adventure and ski package are also available. Moreno 187, 1st fl.,, Bariloche, Río Negro, 8400. 2944/422–283; www.aluncoturismo.com.ar. From 150 pesos. Daily 9–8.
Causana Viajes. The team at Causana Viajes takes pride in providing tours that respect the natural surroundings. They’ve been offering excursions through Nahuel Huapi National Park for over 25 years. Paulina Escardo 148, Puerto Madryn, Chubut, 9120. 2965/452–769; www.causanaviajes.com.ar. Mon.–Fri. 9–1 and 4:30–8.
El Claro Turismo. For more than 20 years, El Claro Turismo has been leading excursions to Cerro Chapelco and Parque Nacional Lanín. Visitors can choose a half- or full-day tour to nearby attractions like Villa Quila Quina, or opt for a week-long package that includes accommodations, airport transfers, and some meals. Colonel Diaz 751, San Martín de los Andes, Neuquén, 8370. 2972/428–876; 2972/425–876; www.elclaroturismo.com.ar. From 300 pesos for day trips; from 4,000 pesos for packages. Daily 9–1 and 4–8.
Siete Lagos Turismo. This outfit provides a comprehensive range of tourism services including guided excursions, vehicle rentals, airport transfers, plus bus and hotel reservations. Its rafting adventures are particularly popular. Villegas 313, San Martín de los Andes, Neuquén, 8370. 2972/427–877; sietelagosturismo.com.ar/empresa.html. From 350 pesos. Mon.–Sat. 9–1 and 4–8.