Czerenin (929 m a.s.l.) is a quiet border summit in the Western Bieszczady range, sitting right on the Polish-Slovak boundary — a spot where you can literally step between two countries on a single hike. It's an off-the-beaten-path gem with a surprisingly layered history hidden in the undergrowth.

The peak sits along the main watershed ridge of the Western Bieszczady, with streams flowing from its slopes into three separate river basins. The terrain is heavily forested, with beech and fir dominating the slopes, and the atmosphere is peaceful and wild — typical of this quieter corner of the Bieszczady. Autumn brings spectacular colours to the forest, while spring offers cool, shaded walking under a fresh canopy.

• Balnica (Poland) — Polish trail on the Rzeszów–Grybów route, section Balnica–Czerenin–Stryb, moderate difficulty
• Rydošová (Slovakia) — Slovak trail, section Rydošová–Czerenin–Stryb, moderate difficulty

• The Polish-Slovak state border runs across the summit — the marked tourist trail crosses it legally as a designated border crossing point.
• Just below the summit, hidden in bushes near the forest track toward the Slovak border, lie the remains of a triangular boundary post from 1939–1945, marked 'D-M-S', once marking the tripoint of Slovakia, Hungary and Poland.

In November 1914, General Lavr Kornilov crossed the pass below Czerenin in an unauthorised attack on Austro-Hungarian positions — his bold but reckless attempt to seize Humenné ended in a military disaster for the Russian forces.