Complex sentence: Mount Edgecumbe can be ascended by a 6.7 Miles (one way), difficult day hike-Muddy and wet in places, last 3 miles steep climb, bears may be present.
Split into simpler sentences: Mount Edgecumbe can be ascended by a 6.7 Miles (one way), difficult day hike. The trail is muddy and wet in places, the last three miles are a steep climb, and bears may be present.