Robert Louis Stevenson State Park 2017. Robert Louis Stevenson State Park Robert Louis Stevenson State Park is a California state park, located in Sonoma, Lake and Napa counties. The park offers a hike to the summit of Mount Saint Helena from which much of the Bay Area can be seen. On clear days it is possible to see the peak of Mount Shasta, distant. The park is named after Robert Louis Stevenson, the author of "Treasure Island" and "Kidnapped". In 1880, Stevenson and his new wife Fanny Vandegrift Osbourne spent their honeymoon living in a cabin at a played-out mine on the mountain along with
Alan Stevenson Margaret Scott Jones, daughter of Humphrey Herbert Jones of Anglesey. They had one son, Robert Alan Mowbray Stevenson (1827-1880) and Katherine de Mattos Stevenson (d.1939). He was uncle to Robert Louis Stevenson, Charles Alexander Stevenson and David Alan Stevenson Alan's position in the Stevenson family tree. Alan Stevenson Alan Stevenson (1807, Edinburgh – 1865, Portobello, Edinburgh) was a Scottish lighthouse engineer who was Engineer to the Board of Northern Lighthouses. Among his notable works is the Skerryvore Lighthouse. A member of the famous Stevenson family of engineers, eldest son of Robert Stevenson, and brother of David and Thomas Stevenson, between