Nancy Blum , 58 , of San Francisco died on Saturday after falling 70 foot to her death . A bluff along a hiking trail in Point Reyes National Seashore , had crumbled away on Saturday about 6:30 p.m. . Blum 's unnamed companion remains in hospital with life-threatening injuries . The National Park Service had warned visitors two days before about a fissure that had opened up on Arch Rock , possibly weakening the cliff .
Nancy Blum , 58 , of San Francisco died on Saturday after falling 70 foot to her death . A bluff along a hiking trail in Point Reyes National Seashore , had crumbled away on Saturday evening . Blum 's unnamed companion remains in hospital with life-threatening injuries . The National Park Service had warned visitors two days before about a fissure that had opened up on Arch Rock , possibly weakening the cliff .