The Ness, Ervey and Burntollet is a 3.3 km looped trail that starts and ends in Derry/Londonderry, County Londonderry, Northern Ireland. Based on our data, the trail is graded as Medium. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.This trail can be completed in approx 1 hrs 0 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.Photo credits - Kay Atherton