Moore's Landing's is located off of the 121 highway on Cutting's Wharf Road.
From Napa take 29 South to State Route 121/12, turn left on Cuttings Wharf Road. At the fork in the road stay to your left and continue down the road to the Napa River and you are there.
From Sonoma take 12 East to State Route 121/12, turn right on Cuttings Wharf Road. At the fork in the road stay to your left and continue down the road to the Napa River and you are there.