Turn a visit to Hammershus into a hands-on treasure hunt: a 60‑minute, app-guided game that leads families through the island’s largest medieval fortress. Solve riddles at key ruin features while learning the castle’s history and enjoying dramatic Baltic views.
More ways to explore the area's outdoor wonders
You arrive at the edge of the ruin with the Baltic wind nudging you toward the stone gate. Weathered walls loom and gulls wheel; the castle’s silhouette dares you to look closer. Children press a screen, then lift their eyes—map in hand, they thread through corridors of history, chasing clues etched into the stones.
Difficulty
easy
Duration
1 hour
Fitness Level
Suitable for most fitness levels; involves short walks and some uneven footing that children can manage with supervision.
Wildlife
History
Hammershus dates to the 13th century and served as a key stronghold controlling Baltic trade and regional power struggles.
Conservation
The ruin and surrounding headland are managed to limit erosion and visitor impact—stay on marked paths and use designated parking and facilities to protect fragile coastal habitats.
Reserve your spot on the The Mystery of Hammershus A treasure hunt for the whole family today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Download before you go
Install the Useeum app and the Mystery of Hammershus content while on Wi‑Fi to avoid cellular issues on site.
Bring a power bank
The game runs on your phone and photo‑taking drains batteries—bring an external charger for the whole family.
Wear grippy shoes
Ruin floors and paths are uneven and can be wet; sturdy footwear prevents slips.
Time it for light
Visit earlier or later in the day for cooler temperatures and softer light for photos and views.
Smartphone with Useeum app
Runs the treasure‑hunt game and holds your ticket and clues.
Portable battery pack
Keeps devices charged through the 60‑minute game and extra exploration.
Sturdy walking shoes
Provides traction on stone floors and coastal paths.
Light waterproof jacket
Wind and sudden showers are common on Bornholm’s exposed headlands.
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