The Crack In The Island is about 150 feet above the current level of Lake Huron. This was not the case 10,000 years ago. Back then the lake's name was Lake Algonquin and the area around the crack was it's shore line and the shallows off shore. Earth cracks can be formed several ways. The way these earth cracks were formed by acidic water flowing through fractures in the limestone. Over many years the limestone was dissolved by the water thus enlarging the fractures.
Please be respectful of this natural structure. At no point should you enter the earthcrack.
To claim a find on the earthcache you will need to do the following:
1. Email me the width of the widest spot of the opening of the earthcrack and the deepest spot at the posted waypoint.
2. Email me the width of the widest spot of the opening of the earthcrack and the deepest spot at the child waypoint.
- Posted waypoint: N45 51.963 W84 38.232 - Child waypoint: N45 52.017 W84 38.306
Not required but always a pleasure to see, please post your photographs too.
To email your answers please click here to open a new email.