Md. Code, Natural Resources § 5–1015

(a) On presentation of a valid veteran identification card, a driver’s license that indicates the license holder is a veteran, or any other form of identification accepted by the Department that establishes the holder’s veteran status:

(1) A veteran may enter a State park without paying any day–use entry fee that has been established; and

(2) A vehicle of which a veteran is an occupant may enter a State park without paying any per–vehicle fee that has been established.

(b) This section does not exempt a veteran or other individual from paying any other facility use services fees not described in subsection (a) of this section.