Best Places to See on Lago di Garda How Deep is Lake Garda FAQs – History of Lake Garda. Q: What is the history of Lake Garda? Lake Garda has a rich history dating back to ancient times, with influences from various civilizations, including the Romans and medieval settlements. Was Lake Garda important in Roman times? Lake Garda & Around. Covering 370 sq km, Lake Garda is the largest of the Italian lakes, straddling the border between three regions: the Lombard plains to the west, Alpine Trentino Alto-Adige to the north and the rolling hills of the Veneto to the east. Look around and you’ll be surprised to see a Mediterranean landscape of vineyards, olive How deep is Lake Garda? The maximum depth of Lake Garda is approximately 346 meters (1,135 feet), making it one of the deepest lakes in Europe. The average depth of the lake is around 136 meters (446 feet), providing ample space for a variety of marine life. O7X0sA.