Note 2513 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
On account probably of the winding nature of the roads; as the height of the Balkan range in no part exceeds 3000 feet. With Theopompus probably originated the erroneous notion among the ancients as to its exceeding height.