North Platte River Fishing Report Grey Reef, Fremont Canyon, Miracle Mile (10/24/22) Also includes the Big Horn out of Thermopolis, WY Grey Reef: Flows- 453 CFS Fishing Report- The upper portion of the Reef is coming back around. Moss is starting to break away due to the recent cool temperatures. Due to these temperatures, the… Continue reading North Platte River Fishing Report (Grey Reef, Fremont Canyon, Miracle Mile) 10/24/22