here's an unmapped beach area. The northern footway ramp has maxwidth=1.00 m and a slope of 8°. The southern ramp has maxwidth=2.17 m and a slope of 6°. I measured these values with my smartphone and a lasermeter.

via StreetComplete_ee 63.1

Attached photo(s):
https://streetcomplete.app/p/345116.jpg