This should get you started, ask if you have any specific questions....
6 days in not too much, I've been living here for almost 5 years and still find places that amaze me:
General:
Either hire car or use public transport. Here is a guide to using the new magnetic cards on the public buses:
http://www.staybariloche.com/bariloche-public-bus-system.php
Ash updates:
http://www.staybariloche.com/volcano-puyehue-ash-bariloche-travel.php
best bus service: viabariloche.com.ar - tuto letto (full bed, WiFi!)
Bariloche and surrounding area things to see & do:
1 full day: Circuito chico - cerro otto, cerro campanario, llao llao, colonia suiza, punto panaramico, consider hiring a bike to cycle the best and quietest part of the circuit:
http://www.circuitochicobikes.com/circuito_chico_mountain_bikes_in_bariloche.html
1 Full day: Boat trip to Bosque Arrayanes & Isla Victoria:
http://turisur.com.ar/isla_victoria_bosque_arrayanes_en.htm or
http://www.islavictoriayarrayanes.com/en/index.htm if you have some spare time consider a short hike through the forests around Llao Llao
1 full day: Kayaking on the Nahuel Huapi lake:
http://www.puravidapatagonia.com.ar/viajes_arg_lagos_2_eng.php or rafting on the Rio Manso:
http://www.patagoniarafting.com/ http://www.extremosur.com/ http://www.aguasblancas.com.ar/
1 full day: day trip to Refugio Frey:
http://www.trekbariloche.com/treks/frey-por-el-filo.php
1 full day: Cerro Tronador y Ventisquero Negro: either hire a car or take a day trip one of the tourist services
1 full day maybe 2: San Martín de los Andes circuito Siete Lagos, consider spending the night in San Martin and return via Villa Traful
1 full day: Villa La Angosura and trek to Bosque Arrayanes
1 full day: El Bolson, about 2 hours south of Bariloche - artesanal market on Saturday (?) & Sunday
Laze on one of the many beaches, have a massage, eat some chocolate, eat some ice cream, canopy:
http://www.canopybariloche.com/ Francisco P. Moreno Museo de la Patagonia....
Eating:
Steak: El Boliche de Alberto (best one: villegas 347)
http://www.elbolichedealberto.com/ they also do pasta
Local place: La Fonda del Tio:
http://www.tripadvisor.co.uk/Restau...ariloche_Province_of_Rio_Negro_Patagonia.html
Ice cream:
http://www.heladosjauja.com/
For other places to eat check out trip advisor:
http://www.tripadvisor.co.uk/Restau...ariloche_Province_of_Rio_Negro_Patagonia.html