Hidden Rocks Loop is a hiking trail in Wake County, North Carolina. It is within Annie Louise Wilkerson, MD Nature Preserve Park. It is 0.7 miles long and begins at 370 feet altitude. Traveling the entire trail is 1.4 miles with a total elevation gain of 200 feet. The Visitor Center information is near the trailhead. There are also parking and restrooms. Along the trail there is an attraction.