Hikes are free, but regular park service charges apply ($3 per vehicle for Maryland residents; $5 for out-of-state visitors). Please dress for the weather/activity, wear sunscreen and insect repellent, bring plenty of water and snacks, and check for ticks.
In case of inclement weather, please contact the Fair Hill NRMA Duty Ranger regarding status of park programs: 410-218-1698.