Between Bude and Widemouth Bay, Upton Cross exposes steep sandstone ribs and dark shale with fossil-bearing concretions. The late Carboniferous Bude Formation has yielded fragmentary fish, burrows and arthropod traces, although finds are uncommon. This is a tide-dependent rocky shore, and the present beach approach must be checked before visiting. Carboniferous, Cliffs and Foreshore, Rating: ♦♦