Lin Ma Hang and Robin’s Nest are located at northern side of New Territories, near to Sha Tau Kok and Ta Kwu Ling. There are many abandoned mine caves in Lin Ma Hang, and now have become important bat colonies and has been designated as SSSI. Robin’s Nest is 492m high, the highest peak in Northern District, there is clear scenic view of Wutong Mountain in Shenzhen.