You can start the Wall Street Mill Trail from two locations: - Barker Dam Nature Trailhead - Wall Street Mill Trailhead Most people park at the Barker Dam visitor parking lot and start the hike from there.
If you’re doing quick day hikes like this, the most important thing to bring along is plenty of water. Here are some other items that we packed for our day hikes at Joshua Tree: - Merrell Mix Master Trail Running Shoes - Nike One Luxe leggings - Polarized Sunglasses