Mono Cliffs contains a significant section of the Niagara Escarpment, including crevice caves, an upland limestone plain, and talus slopes. The park features two prominent masses of rock, separated by erosion from the main rock body. When this occurs, the resultant feature is called an outlier. Botanists have noted that the local vegetation includes a particularly rich diversity of ferns.

Look for the differences in the trees, shrubs and wild plants throughout the park. These are caused by climatic variations that can occur in a small area.In the canyon’s rock crevices there may still be snow and ice in July. Some...