Cow Myers is a Site of Special Scientific Interest (SSSI) located in the Nidderdale Area of Outstanding Natural Beauty (AONB), near Ripon, North Yorkshire, England. The site was designated in 1984 for its fen and alder carr habitat, which supports a diversity of wetland plant life. Of particular interest are the bird's eye primrose (Primula farinosa) which is scarce in Yorkshire, and early marsh orchid. There is no public access to this site, no vehicular access, and no public facilities.