The Grey Dunes Educational Trail, also known as Naglių gamtinio rezervato pažintinis takas, is a popular 2.3-km out-and-back trail near Neringa, Klaipeda, Lithuania. This easy route offers stunning views of the dunes and tells a fascinating story of the ongoing battle with sand covering villages in the area. Once a thriving village, Nagliai, it now lies buried beneath shifting sands, a poignant reminder of nature's power. Visitors are treated to panoramic views of the Curonian Lagoon and the Baltic Sea from atop the dunes, while rare flora and ancient forest remnants add to the reserve's allure