Hiking, climbing, fishing, horseback riding, rafting, and kayaking are all on the docket. Argentina’s Río Corcovado is a Class II–III starter river, but the Class V Futaleufú, across the Chilean border, has world-class white water. For ski information, see La Hoya [1].
Patagonia Verde (9 de Julio 926, tel. 02945/45-4396, www.patagonia-verde.com.ar [2]) arranges activities like hiking, climbing, and riding. Frontera Sur (Sarmiento 784, tel. 02945/45-0505, www.fronterasur.net [3]) organizes water sports like rafting (US$46 for a full day) and kayaking on the Corcovado, as well as hiking, riding, and mountain biking.
Epa Expediciones (Avenida Fontana 482, tel. 02945/45-7015, www.grupoepa.com [4]) also does rafting and other activities.
For fishing licenses, contact the Dirección de Pesca (Belgrano 722, tel. 0297/45-1063); the season runs November–mid-April. Andrés Müller (Sarmiento 120, tel. 02945/45-4572, framumi [at] ar [dot] inter [dot] net) is a reliable independent fishing guide, while Rincón Andino (Miguens 40, tel. 02945/45-2185, www.rinconandino.com.ar [5]) is a specialist operator.
Links:
[1] http://www.moon.com/destinations/argentina/northern-patagonia/interior-chubut-province/esquel/sights/cerro-la-hoya
[2] http://www.patagonia-verde.com.ar
[3] http://www.fronterasur.net
[4] http://www.grupoepa.com
[5] http://www.rinconandino.com.ar