Science & Environment 6 million steps, hundreds of recordings: Creating a sound map of the Pacific Crest Trail NPR | By Jason Fuller, Christopher Intagliata, Jeanette Woods Published October 20, 2026 at 2:15 PM PDT Twitter LinkedIn Email Listen • 4:11 We journey with a hiker as he records the sounds of 2,600 miles of wilderness on the Pacific Crest Trail. Copyright 2026 NPR