Uncle Tom's Cabin
Out of downtown Napa and up I-80 to Auburn, then Georgetown Road and Wentworth Springs Road deep into El Dorado County, past Quintette and on toward Uncle Tom's Cabin.
Echo Summit
Out of downtown Napa through Jameson Canyon and across the Delta by Rio Vista and Walnut Grove, then Highway 50 all the way up past Placerville, Kyburz and Strawberry to Echo Summit.
Rubicon (via Tahoe)
Out of downtown Napa on I-80 all the way over to Truckee, then down the west shore of Lake Tahoe to the Rubicon Trail and past Emerald Bay.
Wright Lake
Out of downtown Napa on I-80 and Highway 50, then up Ice House Road from Riverton and over to Wrights Lake Road.
Ebbetts Pass
Out of downtown Napa on Highway 12 across the Delta to San Andreas, then Highway 4 through Murphys and over Ebbetts Pass.