On this page Fishing and Outreach Events Volunteer Related Information Contact 2020 Fishing and Outreach Events Except on "Free Fishing Day", a California Sport Fishing License is required for persons 16 years of age and over when fishing. Event Date Time Location Blake Jones Trout Derby 3/14/2020 6:00 a.m. - 3:00 p.m. See Blake Jones Trout Derby for more information Eastern Sierra Tri-County Fairgrounds 475 Sierra Street Bishop, CA 93514 Bishop City Earth Day 4/18/2020 10:00 a.m. - 3:00 p.m. Bishop City Park 636 N Main Bishop, CA 93514 Kids Fish Camp 4/25-26/2020 TBD *Pre-enrollment required Bishop City Park 636 N Main Bishop, CA 93514 Mule Days Kids Fishing Derby 5/23-24/2020 TBD See Mule Days for more information Eastern Sierra Tri-County Fairgrounds 475 Sierra Street Bishop, CA 93514 Trout Fest 6/27/2020 9:00 a.m. - 1:00 p.m. Hot Creek Trout Hatchery 121 Hot Creek Hatchery Road Mammoth Lakes, CA 93546 Kids Fishing Festival 7/25/2020 8:00 a.m. - 1:00 p.m. See Kids Fish Fest for more information Snowcreek Resort 1254 Old Mammoth Road Mammoth lakes, CA 93546 Eastern Sierra Tri-County Fair Kids Fishing Derby 9/5-6/2020 TBD See Tri-County Fair for more information Eastern Sierra Tri-County Fairgrounds 475 Sierra Street Bishop, CA 93514