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 . The woman was found by hikers who were looking for the missing hiker and she did not have any obvious injuries or signs that someone else fell from the cliff before her. 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 .