Take the ferry to Wolfe Island and proceed along the following route. The cache is a clear plastic box hidden under a big pile of rocks.
N44° 09.282 W076° 25.001
N44° 07.468 W076° 27.033
N44° 07.211 W076° 26.815
N44° 06.874 W076° 27.026
N44° 06.121 W076° 26.122
N44° 05.717 W076° 26.555
N44° 05.735 W076° 26.487
If you want to see some interesting sights along the way, go to these waypoints:
N44° 06.605 W076° 26.426
Black Lake. Maybe you'll spot a green heron.
N44° 05.708 W076° 26.573
Bear Point. On a clear day you can see three lighthouses from here: Pigeon Island (9km, 250°) East Charity Shoal (7km, 205°) and Tibbetts Point (6km, 85°). You might also see some very big ships passing by.
N44° 05.783 W076° 26.413
International Boundary Commission Reference Monument 88. The Canadian border changes direction at a point in the river about 275 meters south-southeast of the monument. Be sure to look for benchmarks PJ0341 and PJ0342 too!