Mossy Grotto Falls, located in Cascade Locks, Oregon, is a hidden gem off the Ruckel Creek Trail in the Columbia River Gorge. This 20-foot waterfall, discovered in the last decade, offers a challenging adventure for hikers, with slippery trails and steep descents. Despite its difficulty, the reward of reaching this picturesque waterfall makes it a favorite spot for photographers. Just be prepared for a rugged trek and make sure to check for trail updates before heading out!