Once in the forest it would hard to keep your
sense of direction and find your way out again.
The forest of the Istranca Mountains is mainly
deciduous and consists of a wide variety of
species. As well as beech, oak, hornbeam and
pine, there is aspen, elm, alder, ash, linden,
bay, medlar, crab apple, oleander and tree-heath.
The Istranca range runs from northwest to southeast,
and the main summits to the north after Mahya,
the highest, are Fatmakaya Tepesi (901 metres),
Sivritepe (851 metres), Kaletepe (846 metres)
and Dalyantepe (725 metres); while those to
the south are Kamelya (776 metres), Dikilitaş
(503 metres) and Pendik (393 metres). Another
arm of the range extends towards the Black Sea
to a maximum height of 690 metres, with summits
including Kayacık, Aksu and Domuzbayırı.