Trip to Lake Dexter. Fishing Lake Dester in less than 3 feet of water, wife and I using jig under a float. Redge, SpeckledSlab, Speckanator, Baknaction, Tom 513 and 8 others LIKED above post. 02-17-2019, 07:20 AM #2. Dexter Reservoir (also known as Dexter Lake) is a 1000 acre reservoir in Lane County. Dexter Dam, 117 feet high, impounds up to 29,900 acre feet of water in the reservoir. Three state parks are located near the lake. Dexter State Recreation Site is a 100... View Map Find Local Fishing Spots on the Interactive Map! Already have an account? Sign in.