Lumbridge Castle is a prominent landmark in the game RuneScape, located in the region of Lumbridge. It serves as a starting point for new players and features various facilities, including a bank and a chapel. The castle is surrounded by a moat and has a distinct medieval architecture, making it an iconic part of the game's landscape. Inside Lumbridge Castle, players can find important non-player characters (NPCs) such as Duke Horacio, who provides quests and guidance. The castle also connects to other areas, allowing players to explore the surrounding countryside and engage in various activities, such as combat and crafting.