Tunnels and bridges
Waterloo gets cold. Fortunately, the University of Waterloo is full of tunnels and bridges to help you stay warm. Using these is lowkey the underrated goated meta fr fr ong.
The easiest way to get started with using the tunnels and bridges at Waterloo is to use WATIsGrass. It's great.
Otherwise, consult this fantastic graph by William Kennedy:
Or this less fantastic graph by yours truly: (coming soon!!!)