It shall be unlawful within any park for any person to:
A. 
Assume exclusive use of a reservation picnic site without a use permit or a portion of a reservation picnic area without a use permit if the area is reserved by a group with a valid use permit;
B. 
Conduct picnic activity at reservation picnic sites contrary to a use permit, or otherwise violate provisions of a use permit;
C. 
Set up temporary shelters, tents, tarps, canopies and other such devices without written authorization;
D. 
Destroy or remove a use permit posted at a park facility.
It shall be unlawful within any park for any person to operate a bicycle on any sidewalk, trail or open terrain. Bicycles must be parked in the bike racks provided.