Encompasses Maidenhead Thicket and the common land at Pinkneys Green and Cookhamdean Common as well as a few adjacent woodlands.

Geology: Chalk in the south with Lambeth Group (Reading Beds) in the north of the area.

Topography: The area is largely quite flat.

Biodiversity:

• Woodland and scrub: Maidenhead Thicket is largely secondary woodland and tall scrub. There are two areas of ancient woodland next to Cookhamdean Common.
• Grassland: there is small area of acid grassland at Maidenhead Thicket. The commons have remnant grassland habitats.
• Other habitats: there is remnant parkland habitat at Pinkneys Green. 

Access: most of the area has open access.

Targets and Opportunities: woodland management, grassland restoration and management. Most of the land is owned by the National Trust providing potential for habitat restoration.