Upper Rock Lake Fishing Map: Eastern Ontario

  • 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

Major Lake Species:  Largemouth Bass, Smallmouth Bass, Northern Pike, Splake, Yellow Perch, Black Crappie

Lake Facts:

  • Upper Rock Lake is located along Opinicon Lake Road southwest of Chaffeys Lock in Frontenac County
  • 5 creeks flow into the lake and one exits on the northeast end connecting to Upper Rock Lake
  • the lake reaches maximum depth of 140’+
  • other than a couple of shallow weedy bays in the south end and one on the north end, the shoreline drops off quickly into deep water on either side of the lake
  • there are many overhanging trees and submerged logs along the shoreline
    the lake has been stocked with splake (a cross between lake and brook trout)
  • a gravel based public boat launch is located along Opinicon Lake Road towards the north end of the lake
  • Upper Rock Lake sits within Fisheries Management Zone 18