The Qadisha Valley, also known as the Holy Valley, is a UNESCO World Heritage site located in northern Lebanon. It is renowned for its stunning natural beauty, featuring steep cliffs, lush forests, and ancient caves. The valley has been a significant site for Christian monasticism since the early centuries of Christianity, housing numerous monasteries and hermitages. The valley is home to the Qadisha Grotto, which is believed to have been inhabited by early Christian hermits. The area is also rich in biodiversity, with various plant and animal species. Visitors to the Qadisha Valley can explore its historical sites and enjoy hiking in its picturesque landscapes.