Porcupine is a long blue that starts immediately at the top of Lift 1.
Near the bottom, it gets steeper, or you can go around it and try some easy bumps.
A number of the Front Side steeps have entrances from Porcupine.
At the very bottom, the run wraps around and dumps you onto White Feather and Powderhorn- high enough to cut over to Lift 8.
Porcupines can be sighted on the mountain, and not just on this run.