Lake Billy Chinook, formed in 1964 when the Round Butte Dam was constructed, is located in Oregon’s The Cove Palisades State Park. Lake Billy Chinook has a surface area of 4,000 acres.

Fish Species: Rainbow Trout, Kokanee Salmon, Brown Trout, Bull Trout (Dolly Vardens), Smallmouth Bass, Largemouth Bass

Lake Simtustus is one of three reservoirs that were created as part of Portland General Electric’s (PGE’s) Pelton Round Butte hydroelectric project. Lake Simtustus is 637 acres and is located just north of Lake Billy Chinook.

Fish Species: Rainbow Trout, Kokanee Salmon, Brown Trout, Smallmouth Bass, Bull Trout

Map Features: 20 Foot underwater depth contours, latitude and longitude grids, numerous GPS points, fishing locations & fishing strategy, underwater structures identified including submerged roadbeds, onshore information provided such as boat ramps, roads, campgrounds, and facilities (restrooms, groceries, etc.), Waterproof and tear-resistant