To get to Arethusa Falls by foot:
From the Bemis Brook Trail / Arethusa Falls Trail parking area, hike up the trail for 1.3 miles until you come to a junction where you will take a left. Hike for roughly 0.1 miles until you see the falls. Enjoy!

To get to the Arethusa Falls parking lot:
The parking lot for this hike is located in Crawford Notch State Park on Route 302 between the Crawford Notch General store & Campground and the Dry River Campground (2059 U.S. 302, Hart's Location, NH 03812 )