Arrowhead Springs is a highly mountainous neighborhood in the municipality of San Bernardino, California, officially annexed to the city on November 19, 2009. The neighborhood lies below the Arrowhead geological monument, which is California Historical Landmark #977. The natural geologic formation of light quartz on the side of the mountains presides over San Bernardino and the rest of the San Bernardino Valley. The city of Lake Arrowhead, California and the adjacent lake, Lake Arrowhead Reservoir, take their names from the formation as does Arrowhead Water. The Native Americans of the San Bernardino Valley thought the Arrowhead pointed to the artesian hot springs below, which are the site of the historic Arrowhead Springs Hotel, Spa, & Bungalows. The region is also home to the Arrowhead Country Club and Golf Course. The Arrowhead landmark itself is at . Arrowhead Springs Hotel and Spa The historic Arrowhead Springs Hotel and Spa, located in the Arrowhead Springs neighborhood, encompasses directly beneath the Arrowhead geological monument that presides over the San Bernardino Valley. The present building was designed by architects Gordon B. Kaufmann and Paul R. Williams. The resort contains hot springs, in addition to mineral baths and steam caves located deep underground. It featured a Pacific Electric "Red Car" rail line connecting the hotel to San Bernardino and the Greater Los Angeles area. Long the headquarters for Campus Crusade for Christ, the site remained largely vacant and unused since their operations moved to Florida. In May 2016, the San Manuel Band of Mission Indians purchased the Arrowhead Springs property. In 1924, architect Arthur B. Benton, designed a rustic concrete entrance archway encased in ornamental boulders. The archway stood 15 feet high with a 26-foot span. It appears the arch location was at . Future The specific plan for the future of the site includes: a new 115-room annex to the existing 135-room hotel; a new 300-room lakefront hotel; new reservoirs and a reconfiguration of the Lake Vonette; new vineyards, along with the Windy Point restaurant and wine-tasting site; a new 18-hole golf course; 36 new custom estates on fairway-adjacent lots; of commercial space, 34 apartment suites built to condominium standards, and 266 condominiums, townhomes, and single-family attached homes in the new Village Walk mixed-use lifestyle center; 300 new condominiums, townhomes, and/or senior apartments in an upscale retirement village; a new spa resort; 429 condominiums, townhomes, and single-family detached homes located adjacent to the golf