The Sierra is a 999-year leasehold development located at 80 Mount Sinai Drive Singapore 277125 in District 10 near Dover MRT Station. It was completed in 1999 and comprises a total of 60 units. The Sierra is close to Clementi Marketand Ghim Moh Market. Condo Facilities at The Sierra Facilities at The Sierra include swimming pool, wading pool, gymnasium, playground, BBQ pits, 24-hour security, and car park. Condo Amenities near The Sierra The Sierra is close to a wide range of amenities including shopping malls, eating establishments, ATMs, banks, cafes, bistros, supermarkets, clinics, and salons. The Sierra is also close to educational institutions such as Henry Park Primary School, New Town Secondary School, and Singapore Polytechnic. The Sierra can be easily accessed via Dover, Clementi, and Buona Vista MRT Stations.