A slope greater than a one-foot vertical rise in a three-foot horizontal plane on a dune which is at least 20 feet in height measured from the lowest point of elevation on the lot. A dune shall meet this definition if it rises or falls continuously at least 20 feet or if it consists of a series of dunes and/or swales on the lot that in the totality rise or fall at least 20 feet from the lowest point of elevation on the lot.
(Ord. 2021-09, passed 7-20-2021)