Glen Roy 'parallel roads' glacial landscape , 6-18-16, MP Renfrew photo
The lines represent extents of past glaciers. (We were just North of the range with Scotland’s highest peak, Ben Nevis.)


Glen Roy parallel rds. 2 MP Renfrew 6-18-16
Glen Roy parallel rds. 3 MP Renfrew 6-18-16
Glen Roy glaciers
Glen Roy receded glaciers diagram