One quarter mile southeast of this point, along a hiking trail, lies the intersecting corner of Rancho Acalanes, Rancho El Sobrante, and Rancho Boca de la Canada del Pinole. Rancho Acalanes, comprising 3,329 acres, was granted to Candelario Valencia by Governor Jose Figueroa on August 5, 1834. Rancho Boca de la Cañada Pinole, comprising 13,316 acres, was granted to Dona Maria Manuela Valencia de Briones by Governor Juan Bautista Alvarado on June 21, 1842. Rancho El Sobrante, comprising 20,565 acres, was granted to Victor and Juan Jose Castro by Governor Juan Bautista Alvarado on April 23, 1841.