NATURAL vs. MAN-MADE WONDER, High Island Reservoir East Dam (萬宜水庫東壩), Sai Kung (西貢), Hong Kong
Completed in 1978, High Island Reservoir (萬宜水庫) is the largest reservoir in Hong Kong in terms of volume. Situated at the southeastern end of Sai Kung Peninsula, High Island Reservoir is surrounded by some of the city’s most scenic country parks and pristine beaches. Designated as an UNESCO geopark, the coastal areas near the East Dam (東壩) of the High Island Reservoir is filled with hexagonal volcanic columns unseen anywhere else in Hong Kong. 140 million years ago, catastrophic volcanic eruption covered much of the area in layers of tuff. The tuff cooled throughout time and gradually solidified to form rock. The hexagonal columns were formed from contraction during the cooling. Today, remnants from the highly active volcanic era become one of the most spectacular natural sights in the city. Equally impressive at the East Dam are the concrete dolosse blocks at one side of the Dam along the coast. Each dolos block weights up to 20 tons. They are used as wave breakers to protect the dam against the rough sea. To complete the beautiful picture, there are also sea caves and stack islands dotted around the coast, and the azure sky and boundless South China Sea.
From Sai Kung Town, the taxi ride to the East Dam, the furthest point of High Island Reservoir (萬宜水庫), takes about 45 minutes.
The spectacular High Island Reservoir East Dam separates the buffer lake of the reservoir and the boundless South China Sea. Known as Po Pin Chau (破邊洲), the magnificent stack island outside of the East Dam is famous for its tall volcanic columns on one side of its cliff.
The concrete East Dam structure that separates the two sides of blue water is really photogenic.
The dolosse blocks pile up on the seaward side of the East Dam, creating a chaotic yet beautiful barrier. Walking on the dam, we could hear the waves but weren’t be able to find an open view of the sea unless we climbed on the dolosse blocks.
Once we climbed on the dolosse blocks, we were immediately overwhelmed by the sight of the powerful waves hitting against the coastal volcanic hexagonal columns.
We climbed down the dam, sat on one of the step and had a quick picnic lunch.
Looking inland, we could see the inner East Dam that separating the buffer pool with the main reservoir above. The massive dam structure looked to us as if merged with the adjacent natural landscape.
Sea caves are common features near the East Dam.
At the East Dam, natural volcanic hexagonal columns appear side by side with the manmade dolosse blocks.
To explore a bit of the surrounding coastal landscape, we decided to walk further into the trail heading to Fa Shan (花山) and Pak Lap (白臘). The trail was not very well defined, but we managed to find our way in the hill of shrubs reaching waist height.
Our goal was to at least to have a closer look at the cliff of volcanic columns of the stack island of Po Pin Chau (破邊洲).
The coastal landscape in the area was truly spectacular. Some like to explore the area by sea kayaking.
Passing by the stone beach of Kim Chu Bay (撿豬灣) or Rolling Stone Beach (滾石灘), we saw a few hikers watching the powerful waves.
Some visitors didn’t mind to get wet and chose to explore by boat.
Finally, we reached the closest lookout overlooking the magnificent Po Pin Chau (破邊洲).
The stone columns of Po Pin Chau (破邊洲) appeared like a gigantic church organ.
We then found our way down to the Kim Chu Bay (撿豬灣) or Rolling Stone Beach (滾石灘) to get a even closer look and even touch of the volcanic columns.
All cliff sides at Kim Chu Bay (撿豬灣) or Rolling Stone Beach (滾石灘) were covered with stone columns.
After the hike out to Po Pin Chau (破邊洲) and Kim Chu Bay (撿豬灣), it was already late afternoon by the time we returned to the East Dam.
Instead of calling a taxi, we decided to walk back out to the main road where we could take a public bus. The route led us to go along a little over half the perimeter of High Island Reservoir and took about two hours.
Beyond the haze we could see the Sharp Peak or Nam She Tsim (蚺蛇尖) in a distance, a popular challenge for hikers in Hong Kong.
Soon the full moon was up over the tranquil water of High Island Reservoir.
The scenery of High Island Reservoir was serene and calm.
We enjoyed a few minutes of perfect sunset when we reached the West Dam (西壩). Beyond the West Dam was Port Shelter Sea (牛尾海) and a series of islands. The closest island was Tai Tau Chau (大頭洲).
As the sun gradually set, we picked up our pace of walking. Known as the Maclehose Trail Section 1, the trail surrounding High Island Reservoir was long but relative flat and easy. By the time we reached the bus stop at Tai Mong Tsai Road it was almost dark.
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