The Mystery Falls loop is part of the larger Ausable River Valley trail.
It includes steep ravines and gullies in a mixed deciduous forest of mostly beech and oak.
From the Ausable River Valley Site at Carolinian Canada - The Ausable River has, over thousands of years, proved its power, carving a dramatic and steep-sided gorge and valley northeast of the village of Arkona.
Due to its ruggedness and inaccessability, the 19-km gorge -- in places more than 50-m deep, and home to a number of picturesque waterfalls -- is one of the larges river valleys remaining in a natural condition in the region.
A forested corridor with Carolinian species such as Black Maple, Eastern Flowering Dogwood, Chinquapin Oak, and Sycamore follows the winding valley.
Generations of rock hounds have made pilgramages to Rock Glen Conservation Area, wher ethe erosive power of the Ausable River has revealed some of the best Devonian Era fossils in North America.
Fossilized plants, sponges, coral, and fish that date back more than 350 million years can be found in the exposed beds of the Rock Glen Gorge at the bottom of an 11-m high waterfall.
Trail is blazed with no trailhead sign.
Close to west end of Elm Tree Drive ('white' & 'blue' blazed). Parking lot is available
Trail traverses rugged terrain with gullies and steep forested ravines. 5 km of which half is ‘blue’ blazed & other half is ‘white’ blazed.
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