The most popular section of the Sentiero Azzurro in Cinque Terre National Park runs between Monterosso al Mare and Vernazza, covering approximately 3.6 km with moderate-to-high difficulty. The trail rewards walkers with sweeping views across the Ligurian Sea, terraced vineyards, and Mediterranean scrubland. Well-marked and busy with hikers, it's the gateway to exploring this UNESCO-listed coastline. The path also connects westward to Levanto, extending your walking options. Proper footwear and fitness essential.