The lightweight 2008 Columbia Northwest Aliner Folding Camping Trailer is still one of the simplest pop-up campers to use. Easily towed by smaller vehicles including SUVs, minivans and pick-ups, the Aliner is a solid wall camper that doesn’t contain any canvas material. Because of its 100 per cent solid-wall construction, this Columbia Northwest folding camping trailer can be used year round in any weather and at almost any location. With 15 floor plans to choose from, the Aliner comes with a dinette, a bed and plenty of storage. Base price of around $13,000. Columbia Northwest Trailers.