It can be reached by a small cave through the mountains.
Otherwise, if your character is below level 10 or you wish to find the Dawnguard on your own, you can seek out the Dawnguard headquarters roughly east/southeast of Riften. You may also be approached by a courier who will give you a note about the Dawnguard. Once Dawnguard is installed, if you’re level 10 or higher you’ll hear rumors about the Dawnguard from guards in major cities. Our interactive Skyrim map will be updated frequently with the new points from Dawnguard! Getting Started
