The steep northwestern slope of Hármashatár-hegy is crossed by a wide path. Invisible from below as it runs under the shady canopy of trees. The trail with long and straight sections does not offer imposing vistas, although you can enjoy occasional views over Budapest and two lookout terraces provide some compensation. Besides a few rock formations it is just the dense forest that accompanies hikers, but this is exactly what makes Guckler Trail worth completing. The trail includes an interactive nature trail with 14 stations where further information is available about local values of nature and the history of Óbuda through QR codes. For the 100th anniversary of opening the trail it was restored in 2018.
The eponym for the trail, Károly Guckler was the forest manager of Budapest from the end of the 19th century. He made an invaluable contribution to reforesting Buda Hills to replace devastated vineyards past the phylloxera epidemic and rehabilitate hillsides after their clear-cut for firewood. At the dawn of tourism locals expressed dissatisfaction with barren slopes that they saw when exploring nature or building holiday houses. This encouraged leaders of the city to start a reforestation programme managed by Guckler. Besides beeches, mainly pines were planted to stop soil erosion and facilitate the formation of a new layer. As a part of this project a trail levelling across the steep slope of Hármashatár-hegy was established. During this trip you will hike along this trail, although not until the end as it continues outside Budapest across the slope of Csúcs-hegy.