Do not look for a cache at the given coordinates, but the view will be nice!
Once you have completed the five stages of the Eganville Advenure Lab, you will be given the coordinates for this bonus. The link to the AL is: https://adventurelab.page.link/B7jK
The Advenure Lab will lead you to the McRae Lookout Park, Grace Lutheran Evangelical Church, Tourist Informaton building, Centennial Park and the Bonnechere Museum. This bonus will take you to another interesting spot in Eganville.