University of Bristol - Historical Photographs of China reference number: NA16-068. Image from an album in The National Archives referenced as ‘HONG KONG 3. Views of Hong Kong from the 1860s to the 1920s' (CO 1069-446). The Gate Lodge, in the foregound, was, like the second Mountain Lodge, built between 1900 and 1902. Unlike the Mountain Lodge, the Gate Lodge still exists. See NA16-067, NA16-069 and NA16-070.
Mountain Lodge (總督山頂別墅) and Gate Lodge (總督山頂別墅守衛室守衛室), Hong Kong
Black and white photograph
The National Archives, London