ACROSS
3 The activity of sleeping outdoors in a tent usually for enjoyment → camping
5 Wood used to make a fire, wood used as fuel → firewood
7 A thick growth of trees and bushes that covers a large area → forest
8 A place where people can put up a tent → campsite
 
DOWN
1 A light that has usually a glass covering and that can be carried by a handle → lantern
2 A fire that is built outdoors at a camp or picnic area → campfire
4 A campground for tourists travelling by automobile → autobahn
6 A flat surface that forms the main outside floor → deck