Complex sentence: At 10,197 feet, in just over 5 miles (8 km) Mount Redoubt clears 9,150 feet (2,700 m) of prominence over its surrounding terrain and is the highest summit in the Aleutian Range.
Split into simpler sentences: At 10,197 feet, in just over 5 miles (8 km) Mount Redoubt attains 9,150 feet (2,700 m) of prominence over its surrounding terrain. It is the highest summit in the Aleutian Range.