These sites are part of an extensive complex of dry valleys lying within the triangle formed by Driffield, Sledmere and Langtoft and on either side of the minor road known as Spellowgate, which runs northwest from Driffield. They include parts of the following areas: Cow Dale, Wood Dale, Greenland Slack, Meg Dale, Cinquefoil Brow, Cottam Well Dale and Elvin Lear.
Resources available for this area are as follows: