Porcupine Slide Mid-Summer Update Porcupine Slide Mid-Summer Update July 26, 2018 Jack Hales Comments 0 Comment http://blog.starvalleyweather.com/wp-content/uploads/2018/07/IMG_0527.mp4 Video view of Porcupine Slide as of Mid Summer 2018 Upstream Grey’s River View View of Slipping Slope at Porcupine slide on Grey’s River