Burgruine Straufhain, Medieval castle ruin in Straufhain, Germany.

Burgruine Straufhain is a medieval castle ruin situated on a volcanic mountain in the Heldburg region of Thuringia at approximately 449 meters above sea level. The stone remains reveal the basic structure of a fortified settlement with walls and foundations that show how the castle was once organized.

The castle reached its peak during the 12th century under the rule of the Counts of Henneberg, who expanded their power across the Holy Roman Empire. This period shaped its development and regional importance.

The ruins once hosted knightly tournaments and hunting events that brought nobles from the region together and displayed the power of the castle lords. These gatherings made the site an important meeting place for the nobility of the time.

The ruins are accessible via marked hiking trails, with two main routes connecting the site to the surrounding forest and viewpoints. Visitors should wear appropriate footwear since the paths cross hilly terrain and can be slippery in wet conditions.

The castle's water supply was a persistent weakness: cisterns inside the walls served only in emergencies, and fresh water had to be carried up the mountain on donkeys from a spring at its foot. This problem is considered one of the main reasons the site was eventually abandoned.