This%20guide%20describes%20a%20wide%20range%20of%20hikes%20in%20the%20Columbia%20River%20Gorge%2C%20from%20easy%20to%20very%20strenuous%2C%20accessible%20and%20remote.%20Detailed%20trail%20descriptions%20and%20mileages%2C%20suggestions%20on%20how%20to%20get%20the%20most%20from%20your%20hike%20(points%20of%20interest%20along%20the%20way%2C%20and%20some%20history%20and%20natural%20history%20of%20the%20area%20as%20well).%20Also%20included%20is%20information%20on%20how%20to%20find%20many%20of%20the%20Gorge’s%20waterfalls%2C%20for%20people%20who%20enjoy%20seeking%20those%20out.%20For%20backpackers%2C%20it%20has%20not%20only%20good%20route%20descriptions%2C%20but%20suggestions%20on%20hike%20variations%20and%20where%20the%20best%20campsites%20are%20located.%20Also%20included%20are%20recommendations%20for%20hiking%20to%20the%20best%20viewpoints%20in%20the%20gorge.