西貢萬宜水庫東壩，為香港聯合國教科文組織世界地質公園的重要景點之一！環境優美，當中有不少極具特色及歷史的景點，像是世界極罕的大規模火山岩柱、海蝕洞、防波堤等，景色壯觀，令人不禁驚歎大自然的鬼斧神工。吸引不少人士來郊遊行山、觀日出、影相打卡！
東壩的防波堤形狀是一大特色，主要是用來抵禦海岸的地基被潮水沖蝕的堤壩。弱波石像工字石墩又像錨，當多個放在一起就像巨大積木。
交通：乘坐由西貢市中心開出的 94 號巴士，或鑽石山港鐵站的 96R 巴士（僅在周末及公共假期行駛），在北潭涌下車，轉9A小巴（星期日及公眾假期 15:00 – 17:30，20 – 25分鐘一班，回程15:20-19:00），平日要步行9公里或坐的士，謹記跟的士司機預約回程時間。
The east dam of High Island Reservoir in Sai Kung is one of the major attractions of the Hong Kong UNESCO Global Geopark. The environment is beautiful, and there are many unique and historical attractions, such as the rare extensive volcanic pillars, sea caves, breakwaters, etc. The scenery is spectacular, and one can’t help but marvel at the extraordinary craftsmanship of nature. Many people come to hike, watch sunrise, and take pictures.
The dolosse of the East Dam are imposing concrete blocks in a complex geometric shape to protect the dam from the erosion caused by ocean waves.
Transportation: Take bus No. 94 from Sai Kung city centre or bus 96R from Diamond Hill MTR Station (weekends and public holidays only), get off at Pak Tam Chung, and transfer to minibus 9A (Sunday and public holidays 15:00-17:30, every 20-25 minutes, return 15:20-19:00), or walk 9 km or take a taxi. Remember to arrange with the taxi driver for return.
