Dupnisa Cave

Dupnisa is a vast underground system of interconnected caves set within the dense forests of the Istranca Mountains. With its underground river, lakes and rich stalactite and stalagmite formations, it is Thrace’s best-known cave route open to tourism.

KırklareliMarmaraCave

HIGHLIGHTS

Why Visit Dupnisa Cave?

Here are the key highlights and practical information to help you plan this stop.

01Interconnected multi-level cave system

02Underground river and lakes

03Rich speleothem formations

VISIT PLAN

What to Know Before You Go

↗Getting ThereIt can be reached by road from central Kırklareli in the direction of Demirköy–Sarpdere; the sections of the cave open to visitors and seasonal conditions should be checked in advance.

◎Route TypeNature Tourism · Cave

⌖

LocationSarpdere / Demirköy / Kırklareli

Open in Maps ↗

The map is generated automatically from the attraction name and available location information. Check the route and access conditions before travelling.

＋

EXPAND YOUR ROUTECombine your visit to Dupnisa Cave with İğneada Longoz Forests National Park / Kıyıköy in the same itinerary.

This guide was independently prepared for Left Lane Star Travel using information from Republic of Türkiye Ministry of Culture and Tourism – Türkiye Culture Portal. Opening hours, admission conditions and seasonal access may change; check the official source before travelling.Open Official Source ↗

Guide data last updated: 30.08.2026

Travel note: Opening hours, road conditions, fees and seasonal access may change. Check current official notices before departure.

← Back to Türkiye Map ← Back to Kırklareli Card