South Unit Guided Hike
Free
Saturday, July 18, 2026
4:00 AM — 5:00 AM
Arnegard, ND
Open in Maps →The -ologies of Ridgeline Nature Trail This stunning 90-minute hike is dedicated to the ecology and geology of the Ridgeline Trail and the surrounding region. Be there, or be square!
Source: developer.nps.gov