Westward: Melen, Maden Stream, Küçükboğaz and the Longoz

Photo: Acar54 · CC BY-SA 4.0

Westward: Melen, Maden Stream, Küçükboğaz and the Longoz

Where the Melen River meets the sea, Maden Stream Waterfall, Lake Küçükboğaz and Turkey's largest longoz forest.

Duration: 1 dayGetting around: By car and on footStops: 4

Head west from Akçakoca towards Kocaali and Karasu. First stop at Melenağzı, where the Melen River flows into the Black Sea. Then turn inland and walk up the streambed of Maden Stream for about an hour to the waterfall. On the way back, go down to the coast for a short stop at Lake Küçükboğaz and end the day on the wooden boardwalk of Acarlar Longoz. If you skip the Maden Stream walk, the route takes half a day.

Open the whole route in Google Maps

Stops

  1. 1
    Melen River

    Melen River

    A 110 km river forming the border between Düzce and Sakarya; its mouth is in Akçakoca.

    ~18.6 km to the next stop as the crow flies

  2. 2
    Maden Stream Waterfall (Karasu)

    Maden Stream Waterfall (Karasu)

    A waterfall in the forest, reached on foot along the streambed and past mine tunnels from the late Ottoman period.

    ~9.8 km to the next stop as the crow flies

  3. 3
    Lake Küçükboğaz (Karasu)

    Lake Küçükboğaz (Karasu)

    A small lake ringed with reeds near the coast between Karasu and Kocaali; for a quiet break and angling.

    ~21.5 km to the next stop as the crow flies

  4. 4
    Acarlar Longoz (Karasu)

    Acarlar Longoz (Karasu)

    Turkey's largest continuous longoz (floodplain) forest: a lake, water lilies, a wooden boardwalk and migratory birds.

Tips for the route

How to get to Akçakoca

  • Istanbul (Kadıköy)223 km · ~2.5–3 h
  • Ankara (Kızılay)273 km · ~3 h
  • Düzce city centre37 km · ~35 min

By car, take the TEM or D100 to the Düzce exit and drive about 37 km north; you can also come along the coast road (D010) via Ereğli or Karasu. Many bus companies run direct services to Akçakoca; there is no train.

Transport details →
Last checked: October 2026Is something on this page wrong or out of date? Let us know