Below you will find 3 Waypoints, each of which you will have to take note of certain numerical values to decipher the final cache location.
Waypoint # 1 - N44° 50.589 W 075° 18.848.
Here you are looking for a large rock with a Plaque in front of it. What year was the plaque installed?
Waypoint # 2 - N44° 50.071 W 075° 18.800
Here you are looking for a medium sized Black Plaque. What significant year is noted on the plaque?
Waypoint # 3 - N44° 49.944 W 075° 18.774 Iroquois Lock Information sign. What is the length between the lock gates?
(Parking, Viewing Area and other facilities can be found here)
Cache is located at N44° 49.ABC W 075° 19.DEF.
ABC = (sum of numbers from the 3 locations) MINUS 3773 =
DEF = (sum of numbers from the 3 locations) MINUS 4691 =
Trailhead is located at N 44° 49.970 W 075° 18.856, just follow the "trail" till you are close to the cache which is about 30ft off the "trail".
The entire area on this side of the road from East to West was originally flatland and filled in to its present height by fill dug up during the building of the seaway locks.