Contribute a photo Little Oso Flaco Lake San Luis Obispo County, CA Follow Share Share Little Oso Flaco Lake... Email Facebook Twitter Little Oso Flaco LakeFollow Overview Fishing Reports Guides & Tackle California Little Oso Flaco Lake Nearby Businesses Guides & Tackle Shops near Little Oso Flaco Lake Checkout local fishing businesses near Little Oso Flaco Lake. Add your business. Currently, no businesses are listed for Little Oso Flaco Lake. Be the first to add yours! Feature your Little Oso Flaco Lake Business here! Learn more