Simplify the following text for a Grade 4 native English-speaking person.
Original: Another of the town 's prominent features is Jacob 's Ladder , a staircase of 699 steps , built in 1829 to connect Jamestown to the former fort on Ladder Hill .
Simplified: It is a walkway up the mountains with 699 steps . The ladder was built in 1829 to connect Jamestown to the military base on Ladder Hill .