The Kuziy Nature Reserve Massif is one of the Carpathians' most extraordinary wild places — a vast sweep of ancient beech forest so untouched that it earned a place on the UNESCO World Heritage List as part of the 'Ancient and Primeval Beech Forests of the Carpathians.' If you want to walk through a forest that feels truly primeval, this is it.

Stretching across the southeastern slopes of the Svydovets range, the massif is bounded by the Tysa River to the east and south, and the Kosivska valley to the west. The terrain ranges from warm oak-beech woodland in the lower reaches to dense pure beech forest higher up, with dramatic Jurassic limestone cliffs emerging from the canopy — most strikingly at Falcon Cliff (Sokolyne Berdo). The highest point, Lysyna (1,409 m), rewards the climb with sweeping views over the Upper Tysa basin. Spring brings a lush carpet of wildflowers, autumn sets the beeches ablaze with gold — there is never a bad time to visit.

• Starting point — villages along the Tysa valley near Tyachiv — trails lead up through the forest slopes; difficulty: moderate to demanding depending on the chosen route.

• The massif is part of the Carpathian Biosphere Reserve — strictly protected zones exist; keep to marked trails at all times.
• Three waterfalls within the massif: Polonsko-Kuziy, Lykhy, and Kamenyi — all reachable on foot.
• Abandoned iron-ore mine shafts on the territory shelter 8 bat species, including four rare ones.
• UNESCO World Heritage site regulations apply — no interference with habitats.

Here is a remarkable fact: Kuziy marks the southern limit of continuous oak-beech forest in the Carpathians. Warm air masses drifting up from the Upper Tysa basin create a microclimate so unique that heat-loving plants thrive here — and hidden in the limestone crevices, you might just spot the protected European yew, listed in Ukraine's Red Book.