The sun is dipping toward the horizon and you're seeking a place to spend the night in the backcountry. Spring Through Fall Know in advance where campsites can be found on the trail. Consult a guidebook , then discuss your options with a ranger when you pick up your backcountry permit. Backcountry campsites are often found at trail junctions, lakes or rivers.
Some popular areas are closed to camping due to heavy use.
Know the local rules and please abide by them. Advance reservations can sometimes be made for popular hiking destinations. If you plan to visit during peak season, inquire about this possibility with the ranger office that oversees its management. More site choices will be available early in the day. You don't want to race to finish last-minute chores in twilight.