West-Alps gravel roads

Search Information about Monte Jafferau (Tunnel lock) Sommeliller Parpaillon Assietta Colle delle Finestre Period end of August 2015. Does anyone have especially tips for accommodation ? (no tent site, no luxury hotel) somewhere between Susa and Briancon ? For equipment, tyres (tolls a must ?) routes ? I know that there are numerous clips at youtube. I have been studying the Denzel for 3 months and I am member at alpenrouten.de Therefore, personal experiences are important to me above all.