My wife and I will be returning from Kauai and would like to stop over in San Francisco on our way back to Texas. This will be sometime in the first two weeks of October 2011. We will have six days to see some sights. We plan to rent a car and drive but we are having a hard time trying to decide how to spend the time. We have never been to lake Tahoe, Yosemite or seen the Giant Sequoia trees not to mention San Fransciso or Hwy 1. Our prefence is the great outdoors instead of the city but do we have time to take in these three (Tahoe, Yosemite, Sequoias) or should we eliminate one of them. - Suggestions and hints about the area would be appreciated - Thanks.