Keywords: glacier national park glaciernationalpark spring flowers logan pass loganpass glacier lily glacierlily outdoor One glacier lily amid thousands at Logan Pass in springtime. These lilies have nutricious bulbs that are an important food source for grizzly bears. Mt. Oberlin is in the background. NPS/David Restivo One glacier lily amid thousands at Logan Pass in springtime. These lilies have nutricious bulbs that are an important food source for grizzly bears. Mt. Oberlin is in the background. NPS/David Restivo |