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Grove Cliff Caves

The Grove, Portland.

A series of interconnecting mass-movement rifts and a short (8 m) section of phreatic tunnel, Allotment Dig, collectively forming one of the longer caves on Portland. Six entrances allowing a number of through trips of varying lengths and difficulty. N-S order: Allotment Dig, Guano Rift, Flagpole Rift, Skittle Alley Rift, Grove Cliff Fissure and Rumble Chasm. Entrance NGRs under own names.

Alternative Names: None recorded.

Notes: Karst / Mass-movement hybrid system

Hydrographic Feeds: Allotment Dig only: hydrological context long lost to coastal retreat.

Hydrographic Resurgences: Allotment Dig only: unknown.