Mt. Nemo is a popular rock climbing / hiking place close the Rattlesnake Point. Mt. Nemo climbing
These are the trails, following the cliff edge, near the parking lot:
Here is the view at Rattlesnake Point:
Lastly, the trail leads down to the Bruce Trail; and if you follow that up the ridge on the other side you find yourself looking back towards Rattlesnake Point; but the point is hidden because it is around the corner of the valley [on the right].