(1) Riding or leading horses, llamas, or similar animals is prohibited:

(a) on trails in any state park that are posted to exclude such activity;

(b) off trail in any state park area, except where specifically authorized; and

(c) in any campgrounds, except designated horse or pack-oriented camping areas.

(2) The park manager may open or close trails to such use. The decision to open or close a trail shall include an evaluation of factors including, but not limited to, conflict with other park users, public safety, and damage to park resources and/or facilities. Trails designated open for such use may be temporarily closed by the park manager due to emergency health, safety, or resource protection considerations.

(3) Any person bringing a horse, llama, or similar animal into a state park area shall clean up animal feces, feed, or bedding materials in parking lots, at trail heads, and other central locations used by park visitors.