There are 13 different Cairn Dungeons scattered across Hogwarts Legacy’s open world, each offering players unique puzzles to solve, valuable treasure to loot, and enemies to defeat.
You can also unlock The Intrepid Explorer trophy and achievement by finding five specific Cairn Dungeons in Hogwarts Legacy. Cairn Dungeons are identifiable on the map by the archway symbol.
Of course, these are not to be mistaken with the Dungeons found in Hogwarts Castle, which you’ll need to explore to unlock some of the Unforgivable Curses.
Keep reading to learn the exact locations and map images for each of the Cairn Dungeons in Hogwarts Legacy, as well as where to find the dungeons needed to unlock The Intrepid Explorer achievement.
All Cairn Dungeons Needed to Unlock The Intrepid Explorer Achievement
To unlock The Intrepid Explorer achievement, you must visit five specific Cairn Dungeons in Hogwarts Legacy. They can be visited in any order.
Here are the five Cairn Dungeons you need to visit to unlock the achievement:
Every Other Cairn Dungeon in Hogwarts Legacy
There are eight other Cairn Dungeons outside of the ones needed to unlock The Intrepid Explorer achievement. They are:
- Overlook Mine
- Spinners Cavern
- Horklump Hollow
- Jackdaw’s Tomb
- Tower Tunnel
- Phoenix Mountain Cave
- The Mine’s Eye
- The Coastal Mine
Overlook Mine

The Overlook Mine can be found at the top right of the map and east of the East North Ford Bog Floo Flame. You will visit this Cairn Dungeon as a part of the main story mission, In the Shadow of the Mine.
Spinners Cavern

Spinners Cavern is located on the southeastern edge of the Forbidden Forest. You can easily access it by traveling to Upper Hogsfield and then traveling West.
Horklump Hollow

Horkclump Hollow is directly east of Spinners Cavern and slightly west of Upper Hogsfield. It is a key location in the A Friend in Deed side quest.
Jackdaw’s Tomb

Jackdaw’s Tomb is located on the southwest side of the Forbidden Forest and north of the East North Hogwarts Region Floo Flame. You visit Jackdaw’s Tomb as part of the Jackdaw’s Rest main story mission.
Moonstone Garden

Moonstone Garden can be found between the Feldcroft Catacomb and Irondale. It is a part of Poppy’s relationship quest, The Centaur and the Stone, and must be explored to unlock The Intrepid Explorer achievement.
The Collector’s Cave

The Collector’s Cave Cairn Dungeon is between Hogsmeade and Jackdaw’s Tomb. You will visit it during the main quest, The Helm of Urtkot.
You will need to explore it to unlock The Intrepid Explorer achievement.
Dale Family Tomb

The Dale Family Tomb is located southeast of Hogwarts and directly east of the Hamlet Brocburrow. You will explore this Cairn Dungeon naturally as part of the Beeting a Curse quest.
You must discover it to unlock The Intrepid Explorer achievement.
Tower Tunnel

Tower Tunnel can be found east of Marunweem Lake and southeast of the Coastal Mine. Players will visit the Tower Tunnel Cairn Dungeon during the In the Shadow of the Mountain main mission.
Phoenix Mountain Cave

Phoenix Mountain Cave is northeast of Poidsear Castle and north of the Marunweem Bridge Floo Flame. You will explore this Cairn Dungeon during the Phoenix Rising side quest.
Feldcroft Catacomb

Feldcroft Catacomb is located on the map’s southeasternmost point and is southeast of the Feldcroft Hamlet, where Sebastian and Anne live.
It is a part of Sebastian’s relationship quests, In the Shadow of Time and In The Shadow of the Relic. You also need to visit it to unlock The Intrepid Explorer achievement.
The Mine’s Eye

The Mine’s Eye dungeon can be found either east of the Northern South Sea Bog Floo Flame or southeast of Keenbridge.
Players will visit The Mine’s Eye Cairn Dungeon during one of the final missions in Hogwarts Legacy called It’s All Gobbledegook.
The Coastal Mine

The Coastal Mine is located northeast of Marunweem Lake and North of Tower Tunnel. It is a part of the main mission, Lodgok’s Loyalty.
Tomb of Treachery

The Tomb of Treachery is found southeast of Keenbridge and slightly north of the Poidsear Castle Floo Flame. You must explore this Cairn Dungeon to complete the Cursed Tomb Treasure side quest.
It must be visited to unlock The Intrepid Explorer achievement.