Moses Lake is located between Ellensburg and Spokane on Interstate 90. From west of the Cascade Mountains, take Interstate 90 eastbound. From the Spokane area, take Interstate 90 westbound.
Potholes Reservoir is located just south of Moses Lake. From exit 179 off Interstate 90, take State Highway 17 south. Turn right off State Highway 17 onto Road "M" and continue south to the stop sign/"T" in the road. Take a right at the "T" and continue over the dam to Potholes Reservoir.
Banks Lake is a large lake located north of Moses Lake. From Interstate 90 take exit 179 and turn north onto State Highway 17. Continue to the junction with Highway 2. At the Highway 2 junction, turn right (Highway 2 East) towards Coulee City. Continue on Highway 2 until you come to the junction with State Highway 155 North. Take State Highway 155 North until you see the sign for Northrup Boat Launch. You will turn left into the boat launch. The Northrup Boat Launch is approximately 75 miles from Moses Lake. Due to the distance, I only do full days on Banks Lake.