We could meet in Petaluma or Napa and drive up to Calistoga, maybe take the Silverado Trail, shoot off to Pope Valley, or just park in Calistoga. Great restaurant in Calistoga called the Calistoga Inn, they brew their own beer and have a outside 'beer' garden/patio.
We could even get into a discussion about which is louder; the Harley or a Benz without a muffler..........
Leonard