Complex sentence: The usual route taken by most pilgrims is ascent via Hatton and descent via Ratnapura; although the Hatton trail is the steepest, it is also shorter than any of the other trails by approximately five kilometers.
Split into simpler sentences: The usual route taken by most pilgrims is ascent via Hatton and descent via Ratnapura. Although the Hatton trail is the steepest, it is also shorter than any of the other trails by approximately five kilometers.