Troitse-Danilov Monastery, Orthodox monastery in Pereslavl-Zalessky, Russia

The Troitse-Danilov Monastery is an Orthodox monastic complex in Pereslavl-Zalessky, in northeastern Russia, made up of several stone buildings erected across different periods. At its center stands the Trinity Cathedral, whose interior walls are covered with frescoes and whose forms follow the tradition of medieval Russian church building.

Founded in 1508 by the monk Daniel, spiritual director of Grand Prince Vasily III, the monastery's Trinity Cathedral was built in 1530–1532 to give thanks for the birth of the future Ivan the Terrible, whose godfather Daniel became. Polish and Lithuanian troops burned the monastery during the Time of Troubles, as recorded in a 1615 charter of Tsar Mikhail Fyodorovich. Rebuilt in the second half of the 17th century with over 20,000 rubles from the diplomat Ivan Baryatinsky, it was closed in 1923 and returned to monastic use in 1995.

The monastery is named after its founder, the monk Daniel, who died in 1540 and was canonized in the 17th century; his relics, uncovered in 1652, rest in the Trinity Cathedral. Pilgrims venerate him on April 7 (Julian calendar). The cathedral's frescoes were painted by the Kostroma artel of Gury Nikitin, and some, such as the Christ Pantocrator on the dome, survive.

Visitors should wear modest clothing, as women are expected to cover their hair and both men and women should keep their shoulders and knees covered. Services take place daily, so it is worth checking the schedule in advance to plan a visit that does not overlap with ceremonies.

Before the monastery was founded, the site was known as Bozhedomya, a place where unidentified travelers and poor people were buried. Daniel chose this very spot deliberately, as caring for the forgotten dead was central to his approach to monastic life.