Contribute a photo Oso Flaco Lake San Luis Obispo County, CA Follow Share Share Oso Flaco Lake... Email Facebook Twitter Oso Flaco LakeFollow Overview Fishing Reports Guides & Tackle California Oso Flaco Lake Fishing Reports Fishing reports for Oso Flaco Lake Checkout the latest Oso Flaco Lake fishing reports from businesses and local anglers. Oso Flaco Lake doesn't have any fishing reports to show. Add your report! Have you fished Oso Flaco Lake lately? Log a Trip Report Nearby Lakes & Rivers Follow Santa Margarita LakeLake San Luis Obispo County, CA 22 miles away Crappie, Bass, CatfishLast report: 1 month ago Trout stocked 2 weeks ago Follow Cachuma LakeLake Santa Barbara County, CA 49 miles away Trout, Bass, Catfish, CrappieLast report: 2 weeks ago Follow Lake NacimientoLake San Luis Obispo County, CA 53 miles away Bass, Carp, Catfish, CrappieLast report: 1 week ago Pagination … … Next page ›› Last page Last »