 The first 151 km ( 94 mi ) of this stage saw rough undulation , with many uncategorized hills , including one at almost 500 m ( 1 @,@ 600 ft ) in elevation . The final 13 km ( 8 @.@ 1 mi ) saw a steep climb up to the famous Mount Vesuvius at 1 @,@ 000 m ( 3 @,@ 300 ft ) . 
