Location of Portals
| Woodhead entrance | 0 | 53°29′44″N 1°49′47″W / 53.495659°N 1.829765°W / 53.495659; -1.829765 (Woodhead Entrance) |
| Air vent 1 | 1.13 miles | 53°30′14″N 1°48′22″W / 53.503805°N 1.805992°W / 53.503805; -1.805992 (Air vent 1) |
| Air vent 2 | 2.35 miles | 53°30′45″N 1°46′49″W / 53.512428°N 1.780163°W / 53.512428; -1.780163 (Air vent 2) |
| Dunford Bridge entrance | 3 miles | 53°31′03″N 1°45′56″W / 53.517377°N 1.765451°W / 53.517377; -1.765451 (Dunford Bridge entrance) |
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