Ogwen Valley Mountain Rescue Organisation (OVMRO), or Sefydliad Achub Mynydd Dyffryn Ogwen as we are known in the native Welsh language, is a voluntary mountain rescue team responding to incidents in the mountains and valleys surrounding the Ogwen Valley, Glyderau, and Carneddau mountain ranges and surrounding area in northern Snowdonia. We are on-call 24 hours a day, throughout the year.