Throughout the world of Hogwarts Legacy, you will find plenty of collectibles and puzzles. One of the most plentiful types of puzzles is that of treasure vaults which appear in every single region of the map. These vaults contain rare gear that can be helpful on your journey, and the region of Marunweem Lake has a high number of treasure vaults for you to explore. The guide below goes over how to overcome these treasure vaults’ tricky puzzles and where each of them is located on the map.

All Treasure Vault Locations and Puzzle Solutions at Marunweem Lake¶

There are a total of eleven treasure vaults in the Marunweem Lake region of Hogwarts Legacy. These treasure vaults vary in difficulty. To solve them, you will need to have the spells Bombarda, Glacius, Windgardium Levioso, and Depulso.

Boarded Up Treasure Vault at Marunweem Lake¶

This treasure vault is rather easy to solve. When you approach it, there will be goblins walking around and a wooden board in front of the vault.

You don’t need to use any spells to get inside. Simply use your broom to fly right in and go down the hall to obtain the treasure chest.

• Treasure Vault Map Location

Mountain Base Treasure Vault at Marunweem Lake¶

If you follow the road past the Coastal Mine Floo Flame, you will come to a treasure vault at the base of a mountain passage. There is no door, so run straight inside until you come to the room with the multiple pull levers.

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Using Revelio will highlight which levers you need to use Accio on to open the vault, and cast the spell on them all to open the treasure chest door.

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Central Mountain Treasure Vault at Marunweem Lake¶

This treasure vault is a bit trickier to get to. You will want to pull up your map and mark it so that you can track it easily, as you will need to land your broom and go through the mountain passage on foot. Beside the treasure vault are several goblins. Defeat them and head inside. You will find a Depulso device and hit it until the rocks move across to the other side of the room.

Once this is done, climb on top of them to the ledge to get the treasure chest.

• Treasure Vault Map Location

Tower Tunnel Treasure Vault at Marunweem Lake¶

After you complete the treasure vault in the center of the mountain, follow the path on foot further into the mountain until you reach the tower tunnel Floo Flame. Across from it is the entrance to the last treasure vault in the mountain system.

You simply need to follow the hallway inside until you reach the treasure chest.

• Treasure vault map location.

Underwater Treasure Vault at Marunweem Lake¶

The next treasure vault is down from the mountain in Marunweem Lake itself. There will be a swirling dive spot, land in it and dive down into the cavern.

You will need to swim until you see an Accio device. Use the spell on it to open the door on the ledge. Once it’s opened, climb up and head inside the room to grab the treasure chest.

• Treasure Vault Map Location.

Central Treasure Vault at Marumweem Lake¶

This treasure vault is located right in the center of the Marumweem Lake region, right next to the Marunweem Lake floo flame. All you need to do is head inside the treasure vault and follow the hallway until you reach the treasure chest.

• Treasure Vault Map Location.

Wizard Chess Treasure Vault at Marunweem Lake¶

The next treasure vault is located adjacent to the Marunweem Lake floo flame. This is another vault that requires a cube for entry. You can get the cube from the nearby poacher camp, wipe them out, and then open the cage with Alohomora III.

Drag the cube using Accio to the pedestal and cast Glacius on it. Head inside the treasure vault, where you will see a game of wizard chess set up. Use Revelio to find the movable pot and drag it on the chess board with Accio.

Place it across from the mage and use transformation spell to change it into a chess piece. The chess piece will attack, and the treasure chest will drop down into the room.

• Treasure Vault Map Location.

Cliffside Treasure Vault Near The Island Ruins at Marunweem Lake¶

For the next treasure vault, you will need to head across Marunweem Lake itself to the small island. Here, you can use Revelio to find some breakable rock on the lower side of the island.

Fly down and use Bombarda to blast away the rocks. Head inside and follow the hallway to find the treasure chest.

• Treasure Vault Map Location.

Island Ruins Treasure Vault at Marunweem Lake¶

Next, fly into the ruins themselves and check the left side of the ruins across from the Merlin Trial.

There will be some stairs with glowing green butterflies flying above them. Head down until you reach the treasure chest.

• Treasure Vault Map Location.

Underwater Treasure Vault Near The Island Ruins at Marunweem Lake¶

The next treasure vault is located slightly away from the ruins in the water. Drop down to the dive spot and enter the cavern. Once inside, you will need to swim to the sealed door.

Climb up onto the pier and use Accio to pull the lever. Once the door opens, head inside and collect the treasure chest.

• Treasure Vault Map Location.

Stealth Treasure Vault at Marunweem Lake¶

The next treasure vault is located on the cliff from the Marunweem Lake ruins. This vault is guarded by an eye. You simply need to use Disillusionment to sneak past it and open the door.

Once inside, follow the hallway down until you reach the treasure chest.

• Treasure Vault Map Location.