An unannounced military exercise in Kenna Cartwright Park prompted a man walking his dog to call police after he spotted camouflage-clad men carrying what appeared to be assault rifles
An insider's guide to the Bay Area's best parks, recreation and wilderness areas, from San Francisco Chronicle outdoors columnist Tom Stienstra. He’s hiked, camped, boated, fished and cycled across the region to bring you this insider's guide to popular and little-known spots.