Closed on holidays and weekends. CAR - Most trail sites are accessible only by car, bicycle, or on foot.
Some sites are accessible only by unpaved roads.
Colorado, Oklahoma, and New Mexico are hot and dry in the summer. Winters are variable and can be somewhat mild although cold and windy conditions with heavy snow are possible. Many trail sites are undeveloped and lack protection from sun, wind, rain, snow, etc. Dress warmly in winter. Beware of sun exposure in summer.