Horákov Castle

Horákov Castle is a ruined medieval stronghold perched on a narrow promontory above the Říčka valley, within the Horákov cadastral area of the municipality of Mokrá-Horákov in Moravia. Little survives of its walls today, but the site remains a favorite stop for hikers exploring the Moravian Karst and its network of trails.

How to get there?

The ruins lie roughly 2 km west of Horákov, on a promontory overlooking the Mariánské údolí valley, directly opposite the Staré zámky hillfort. The most convenient approach is along the blue-marked hiking trail running through the Říčka valley, with a signposted side path branching off toward the castle site itself. Many visitors start from Mokrá-Horákov, a municipality located a short distance east of Brno, making the area an easy day trip for anyone exploring the Moravian Karst from the city.

What will you see?

People first settled on the Horákov promontory as early as the beginning of the Iron Age, around 500 BC. During the Great Moravian period, the Staré zámky hillfort across the valley served as one of the empire's important economic centers. Pottery finds suggest a further wave of settlement on the Horákov promontory itself from around the mid-11th century, while the medieval castle proper was most likely built in the 14th century, taking advantage of the site's naturally defensible position.

The earliest surviving written record of the castle dates from 1464 and names Václav Herynk ze Sloupna as its owner at the time. The stronghold did not remain in use for long, however — sources indicate it was already abandoned and falling into ruin by the 16th century, likely due to its diminishing strategic value and the cost of maintaining a small fortification set away from major routes.

Today, the most visible remains are earthworks — ridges and depressions marking the former line of the fortifications. Also surviving are the remnants of a stone water cistern, a section of the southern wall, and small fragments of stonework elsewhere on the site. These are modest traces, but legible to an attentive visitor, and typical of many small regional strongholds that were never rebuilt in later centuries.

The karst landscape as a bonus

The promontory and the neighboring Říčka valley sit within the Moravian Karst, an area best known for its cave systems and distinctive rock formations. For visitors heading to the castle, this means the walk to the ruins usually passes through scenic, partly wooded karst terrain, making the trip worthwhile even for those more drawn to nature than to fortification history.

When to visit?

Given the wooded, partly steep surroundings and the absence of the visitor infrastructure found at fully developed monuments, spring and summer are the best times to visit, when trails are dry and days are long enough for an unhurried walk through the Říčka valley. Autumn has its own appeal thanks to the fall colors and lighter foot traffic, while winter visits can be difficult due to icy or muddy sections of the trail.

Frequently asked questions

When was Horákov Castle built? Most likely in the 14th century, though settlement on the promontory dates back much further — the earliest traces go back to the start of the Iron Age, around 500 BC.

Who owned the castle in the Middle Ages? The first written record, from 1464, names Václav Herynk ze Sloupna as its owner.

Why is the castle in ruins today? It was already abandoned and falling into disrepair by the 16th century, though the precise circumstances of its decline are not fully documented.

What can visitors see on site today? Mainly earthworks marking the former fortifications, along with the remains of a stone water cistern and a fragment of the southern wall.

How do you reach the castle ruins? Via the blue-marked hiking trail through the Říčka valley, with a side path branching off directly to the former castle site.