4-Year-Old Hikes All 48 of NH's 4,000 Footers Before 5th Birthday4-Year-Old Hikes All 48 of NH's 4,000 Footers Before 5th BirthdayScarlett, also known as 'Little Foot', has hiked all 48 of New Hampshire's 4,000 footer mountains and faced every natural obstacle you can imagine. The kicker? She's only 5 years old.Megan MurphyMegan Murphy