The outing starts at the 4th of July Trailhead on 4th of July Creek Road, and there are a variety of routes in the area. Castle Peak is the highest peak in the White Cloud Mountains and the 25th highest in the whole state of Idaho. The route is fairly short but there is a class III scramble up the southern face. At first, the route passes through groves of trees before reaching a huge gully. Once within the gully, the rocky sections become very tight and the going is easy until you reach the crux of the ascent. Expect these talus routes to go through very steep terrain with cliffs and boulders. Usually the hiking/climbing season is from June to September, but it can also be climbed year year. Although, avalanches and access are a major concern. The views are absolutely amazing once you reach the summit, and there are over 25 lakes that can be observed along with the surrounding mountain ranges. You will need to get a Sawtooth Recreation Area permit, and it usually costs about $5.00 for a 3-day pass.