Man-made Lake of the Prairies, the result of the construction of the Shellmouth Dam, fills a 67-km (42-mile) stretch of the Assiniboine River Valley. Electrical campsites, fishing and houseboat rentals are available, and you can also trek along the self-guiding Ancient Valley Trail or enjoy the designated swimming area. The Trans Canada Trail follows the valley.
Fishing. Lake of the Prairies is one of the premier walleye sport fisheries in North America. The annual catch of walleye from this lake has been as much as five times the provincial average. You can also expect good perch and pike fishing. Tackle and bait shops are plentiful. Ice fishing is popular here during the winter months. Located at Asessippi Provincial Park, 20 km (12.5 miles) north of Russell on PTH83; or travel 10 km (6 miles) west of Roblin on PTH5.