Bark Ranger is a community outreach project for teaching better pet-policy in national parks. The Gateway Arch, Jefferson National Expansion Memorial, will debut its Bark Ranger program at Arch Bark. Qualifying dogs and owners will receive an Arch Bark dog bandana and badge! To join the Bark Ranger program, dogs and owners must learn how to hike safely with a pet in a park and promise to follow the rules of B.A.R.K. - Bag your waste, Always wear a leash, Respect wildlife, and Know where you can go.