Alfred Beilhartz was four years old when he vanished from a family campsite in Rocky Mountain National Park on the morning of July 3, 1938. The family had been camping near the confluence of the Roaring and Fall Rivers below Horseshoe Falls. Alfred had gone with his father to a nearby stream to wash and then said he would follow two family friends who were upstream; those friends returned to the camp without him.

An immediate search by family and other campers grew into a large operation that included park rangers and more than a hundred Civilian Conservation Corps members. Searchers dammed and diverted the river and combed exposed riverbed without finding Alfred. Bloodhounds tracked his scent about 500 feet before it abruptly ended at a fork in the path. A reported sighting six miles away on a remote rocky ledge called the Devil’s Nest prompted a separate search that found nothing. Five months later the family received a ransom demand of $500 that authorities called a hoax.

Official investigators considered accident and abduction theories but found no credible evidence to resolve the case. With no trace of Alfred ever recovered, the disappearance remains an unresolved and haunting mystery from the park’s history.

If anyone has memories, family lore, photographs, or information about the 1938 search efforts or the Beilhartz family, can they please share what they know?