A large part of the north-west of the county, around Coalville, forms part of the new National Forest area extending into Derbyshire and Staffordshire. The highest point of the county is Bardon Hill at , which is also a Marilyn; with other hilly/upland areas of c. and above in nearby Charnwood Forest and also to the east of the county around Launde Abbey. The lowest point, at an altitude of about , is located at the county's northernmost tip close to Bottesford where the River Devon flowing through the Vale of Belvoir leaves Leicestershire and enters Nottinghamshire. This results in an altitude differential (AΔ|vertical) of around and a mean altitude of .