Castle Creek Picnic Ground - This picnic site is located on Medano Pass Primitive Road where Castle Creek joins Medano Creek. Either drive a high-clearance four-wheel drive vehicle or park at The Point of No Return and walk.
Great Sand Dunes National Monument Visitor Center - Before venturing out to the dunes, stop by the Visitor Center. Here you can pick up information on the dunes and other park features. The center is opened daily, except on federal holidays in the winter.
Medano Pass Primitive Road - The Medano Pass Primitive Road is a four-wheel drive road that begins in the park and goes north to Medano Pass and the Rio Grande National Forest.
Point of No Return Parking Area - This is a turnaround area and small parking area, aptly named Point of No Return. It is provided for two-wheel drive, wide and/or long vehicles.