Silverhill is a mine soil-heap hill

Hill

A hill is a landform that extends above the surrounding terrain. Hills often have a distinct summit, although in areas with scarp/dip topography a hill may refer to a particular section of flat terrain without a massive summit A hill is a landform that extends above the surrounding terrain. Hills...

 in Nottinghamshire

Nottinghamshire

Nottinghamshire is a county in the East Midlands of England, bordering South Yorkshire to the north-west, Lincolnshire to the east, Leicestershire to the south, and Derbyshire to the west...

. It is on the site of the former Silverhill colliery and is 205m high.

Strawberry Bank in Huthwaite

Huthwaite

Huthwaite is a small village in Nottinghamshire, England, located to the west of Mansfield, close to the Derbyshire border. Before 1907 the village was known as Hucknall-under-Huthwaite and also Dirty Hucknall.-Derivation of Name:...

is believed to be the highest natural point in the county at 203m.

The link to Silverhill is in the wrong place on Google maps. It is shown as being on Newtonwood Lane in Huthwaite but should in fact be on Silverhill Lane in Teversal about a mile to the East. Newtonwood Lane has been reclassified as being the highest point in Nottinghamshire and not Silverhill Woods. It's debatable whether the highest point at Newtonwood Lane is actually in Nottinghamshire as the Notts/Derbys boundary runs very close to the location.

Neither Silverhill Woods or Newtonwood Lane are natural high points in Nottinghamshire as they are former colliery spoil tips. The highest natural point is still Strawberry Bank at Huthwaite.