This research aims to clarify current conditions and their speciality of slope areas in central .Tokyo. 1. Cliffs (retaining walls) are found throughout the edge of heights, though their distribution density and scale differs on north and south side of Kanda river. 2. Stairways are also seen in the place where cliffs are usually seen, especially at the steep slope areas. 3. Residential areas divided by cliffs are classified into six types according to the locational relation between cliff, road, and residence. Characters of each types differs depending on the situation of the length and the height of the cliff.
