Plizio Visual Lab

Istallos-ko

Plizio editorial teamUpdated: Jun 2026Data Sources

Mountain

Weather…

Istallos-ko, standing at 959 meters above sea level, is the second-highest peak in the Bukk Mountains of northern Hungary. For decades, it was officially recognized as the highest point in the range until more recent and precise measurements awarded that title to the nearby Szilvasi-ko. The mountain is predominantly composed of Triassic limestone and is cloaked in extensive beech forests that are hallmark features of the Bukk National Park. One of its most significant scientific features is the Istallos-ko Cave, located on its slopes at an elevation of 609 meters, which serves as a world-renowned archaeological site. Excavations here have yielded crucial evidence of the Aurignacian culture, including stone and bone tools, as well as remnants of Ice Age megafauna such as cave bears and giant deer. Hikers typically approach the summit from the Szalajka Valley in Szilvasvarad, navigating a significant elevation gain. The peak remains a focal point for geological research and environmental conservation within the protected highlands.

Location: Hungary
Top sights: Istállós-kő erőse · Szilvási-kő · Istállós-kői-barlang
Nearby: Pásztó (57 km)

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	-3	-1	4	11	16	20	22	22	16	10	4	-1
Rain mm	38	40	41	42	73	79	83	62	55	54	47	45

📋 Practical info

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Getting there

The peak is most commonly approached on foot from the nearby Szalajka Valley or the village of Szilvásvárad, utilizing well-marked hiking networks. The ascent usually starts as a continuation of popular valley walks.

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Best season

Spring and autumn are widely considered the well-suited seasons for hiking here, offering comfortable temperatures and colorful forest foliage. Summer can be quite warm, while winter brings snowy, challenging conditions to the upper slopes.

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Terrain & paths

The path involves steep and sustained ascents through dense beech forests, requiring a good level of stamina. The terrain can be rocky and sometimes slippery, especially near the famous cave located below the summit.

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What to bring

Proper hiking footwear with aggressive tread is essential for the steep sections, along with breathable clothing layers. Trekking poles can be highly beneficial for stability, and carrying adequate water is strongly advised.

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Parking

Most hikers choose to park their cars in the established, often paid parking areas located in the town of Szilvásvárad. From there, it is a steady walk through the valley before the actual mountain ascent begins.

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Safety

The steep trails demand careful foot placement to avoid slips, particularly after rainfall when mud and wet leaves cover the paths. Wildlife is present, so maintaining a respectful distance and keeping noise levels down is standard practice.

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Time needed

Reaching the summit and returning typically requires around four to six hours of continuous hiking, depending on the route and fitness level. Visitors often combine the climb with a visit to the nearby prehistoric cave.