Probably one of the best island we have visited on our stay in HK.We arrived at Sok Kwu Wan - this ferry goes every 60 minutes from Hk and had the least amount of hills.Great walk to the other side of the island where the ferry is every 30 minutes.If you want a tough hike, then start Yung Shue Wan to Sok Kwu Wan ferry. Great hike.