Grass Lake: Parry Sound District

  • dimensions: 12″x18″
  • double sided
  • laminated map
  • black/white
  • water depth contour lines
  • locations for the major fish species
  • access points
  • information on fish habits and movements
  • fishing tips
  • MNR/Travel & Accommodation info. sources

Lake Species: Smallmouth Bass, Lake Trout, Whitefish, Yellow Perch

Lake Facts

  • Grass Lake (also known as Sweny Lake) is located east of Burk’s Falls Ontario in the Parry Sound District
  • co-ordinates: Lat. 45° 40′ 48″ Long. 79° 12′ 11″
  • the lake is part of the Magnetawan River drainage basin. Water levels are regulated by a dam on Loon Lake
  • the lake reaches a maximum depth of 37 metres (121′). The average depth is 11 metres (36′)
  • the perimeter of the lake is 6.4 km. (4 miles) and the surface area is 138 hectares
  • with the exception of the sandy shoreline on the north end the overall shoreline is rugged and rocky with little weed growth
  • there is a naturally reproducing population of lake trout
  • the major fish species include smallmouth bass, lake trout, whitefish and perch
  • Grass Lake is situated within Fisheries Management Zone 15