It is easiest to set up tours from the largest towns in the region (Bariloche, San MartÃn de los Andes, Villa la Angostura, JunÃn de los Andes, El BolsÃ³n, but in nearly every town tours will be available through individuals if not through a company. The employees at your hostel or hotel should be able to connect you with local guides if needed.
If you don't have a car, the best way to see the famous Seven Lakes route is to take a tour starting in San MartÃn de los Andes. You can tour the route quickly in one day with El Refugio Turismo (URL: www.elrefugioturismo.com.ar/7lagos.html) or spread it out over several days with Los Alerces Viajes (URL: www.losalercesviajes.com).
For a wildlife adventure, you can set up a custom trip with Causana Viajes (URL: www.causana.com.ar), whose tours are led by naturalists tours and focus on Patagonia's unique plants and animals. For guided backcountry excursions, Lagos del Sur (URL: www.lagosdelsurevt.com.ar) offers day and overnight trips led by experienced bilingual guides.
For a bird's-eye view of the lakes and Parque LanÃn, contact La Huenco (URL: www.lahuenco.com), who will set up a private airplane ride that ends at their hot spring resort.
Other Tour Operator pages in The Lake District that may be of interest: Parque Nacional LanÃn & The Pehuenia Circuit Tours, Villa Pehuenia Tours, NeuquÃ©n Tours, Bariloche Tours, El Bolson Tours, San MartÃn de los Andes Tours, Esquel Tours, Villa La Angostura Tours and Trevelin Tours.