Synevyr is the largest lake in the Ukrainian Carpathians and one of the most breathtaking natural landmarks in Eastern Europe. Sitting at 989 metres above sea level, cradled by the Inner Gorgany mountain range, it draws visitors with its deep blue waters, ancient spruce forests and a silence you can almost touch. Whether you come in summer or winter, it never disappoints.

The lake covers 4–5 hectares and plunges to a maximum depth of 22–24 metres, keeping its waters strikingly cold — barely 11–13°C even on the warmest summer days. Steep slopes blanketed in 140–160-year-old spruce trees tumble straight down to the water's edge. At the centre of the lake sits a tiny islet, just a few metres wide, floating like the pupil of a blue eye — which is exactly why locals call it 'Morske Oko' (Sea Eye). In autumn the surrounding forest turns gold and crimson, in winter the lake freezes into a mirror of snow and ice, and in spring the whole valley feels freshly reborn.

• From Synevyrska Poliana village — well-marked path, easy difficulty, approximately 30–40 minutes walk to the lakeshore.
• By car via road T-07-18 (Nyzhni Vorota – Volovets – Mizhiria), upgraded and opened in December 2020, offering comfortable access to the national park.

• Synevyr lies within the Synevyr National Nature Park — an entrance fee is required.
• The park is home to brown bears, lynx, wolves and red deer — stay on marked trails at all times.
• Lake trout swim in the crystal-clear water; fishing is prohibited.
• An annual folk festival 'Trembitas Call to Synevyr' takes place at the lake each year, featuring craft fairs and Transcarpathian folklore performances.

Local legend says the lake was formed from the tears of Syn — a count's daughter who wept for her beloved shepherd Vyr, killed on her father's orders. A 13-metre wooden sculpture named 'Syn and Vyr' stands on the shore, keeping their story alive forever.