Deep and narrow canons are common, and, at higher levels, glaciers, carved out amphitheatres, or " cirques " and " U "-shaped troughs.
In numerous cases, lakelets have gathered under rocky cirques behind the terminal moraines of the last surviving glaciers.
These two ranges are connected by more than half a dozen short transverse spurs or necks, inclosing as many cirques or high cauldron glens.
The region is made up in general of high ranges deeply glaciated, preserving some remnants of ancient glaciers, and having fine " Alpine " scenery, with many sharp peaks and ridges, U-shaped valleys, cirques, lakes and waterfalls.
Cirques, valley troughs, numberless beautiful cascades, sharpened alpine peaks and ridges, glacial lakes, and valley moraines offer everywhere abundant evidence of glacial action, which has modified profoundly practically all the ranges.