Radial field on Brae Fell

 On the summit of Brae Fell, obvious paths leave in a radial pattern. There were more behind me. This is true on the grassy summits like this and Mungrisdale Common.

Lower down these radial paths up and down the fell are crossed by sheep tracks that follow the contours.

It reminded me of a radial field patterns. The paths up and down the fell would be the field lines and the sheep tracks would be the equipotentials.