The quarries are about one and a half miles to the north-east of Coleford. The name comes from the steep-sided Wimberry Slade, which is one of several dry and narrow valleys. These run east-to-west along the edge of the Cannop Valley. The reserve is on the south slope and is made up of four quarries and their spoil tips. They lie within a large area of mixed woodland. There has been conifer-planting in the area. These are disused quarries and have been little disturbed since they were closed. There is a blocked off tunnel which would have originally been used to take stone from one of the quarries. The largest of the four quarries has a 25 m vertical rock face which exposes the Pennant Sandstone of the Dean Coal Measures. This exposure shows thin, variable coal seams. The site is accessible from forest tracks from the Cannop Valley up Wimberry Slade or from Mile End via Perch Lodge. There is a safety fence near the edge of the quarries.
Flora
The quarry floors and rock faces have been colonised by a variety of ferns, mosses and flowers. A significant fern present is Oak Fern as this is one of the few locations in the Forest of Dean where it has been recorded. The Slade is a good location for ferns and at least 10 species have been recorded. Common Wintergreen is also present and is relatively rare west of the River Severn. There is a terrace of open heathland at the top of the quarries which is between the safety fence and the edge. This area supports Bilberry and Heather. There is a plantation of Larch and Spruce. The natural colonisation of the quarry floors and spoil tips has created a mixed woodland area of Pedunculate Oak, Beech, Ash, Sweet Chestnut and Birch. These have spread from the mixed woodland surrounding the quarries.
Conservation
Whilst the general policy is minimum interference and natural regeneration, excessive tree-growth is contained and the heathland is kept clear of scrub which would destroy it.
Walks
There is a publication which details places to visit for recreation, and for observing particular wildlife in this part of the Forest of Dean.
Publications
Kelham, A, Sanderson, J, Doe, J, Edgeley-Smith, M, et al., 1979, 1990, 2002 editions, 'Nature Reserves of the Gloucestershire Trust for Nature Conservation/Gloucestershire Wildlife Trust'
