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23 September 2026 · Wednesday Every adventure begins somewhere
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MARMARA · KOCAELI

Değirmendere (Gölcük)

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Map: OpenFreeMap © OpenMapTiles · Data: OpenStreetMap contributors (ODbL)
Record source: Open-Meteo Marine API

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Deniz suyu sıcaklığı (81)

Swimming season at Değirmendere (Gölcük)

A seaside district of Gölcük on the shore of İzmit Bay, known for its plane trees. It's considered more touristy than the rest of Gölcük; waterfront promenades, parks, and sunset views stand out along the shore. It's also one of the piers served by ferry services.

When to go Summer months; late afternoon/sunset hours are especially favored for a walk along the shore.
Who it suits For those who want to walk along the shore and enjoy sea views rather than swim — the bay water isn't as clear as open sea.
Source: Open-Meteo Marine API · Updates hourly Advenway Tools