Sylvia Todd, right, and her sister, Genevieve Stoner, hike along a dirt road in a large open space area, on the east end of Sunnyvale Drive, in Healdsburg on Wednesday, January 8, 2014. Recently, 'no trespassing' signs have cropped up along the 150-acre property, which is frequented by hikers and cyclists. (Christopher Chung/ The Press Democrat)