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Tour Destination in Ansan: Moon Observatory, Sihwa Narae Service Area

WriterAdministratorDate12/09/2019

The Sihwa Lake Tidal Power Plant and Sihwa Narae Service Area are situated halfway along the Sihwa Embankment connecting Oido Island of Siheung-si and Daebudo Island of Ansan in Gyeonggi-do.

The Sihwa Lake Tidal Power Plant and Sihwa Narae Service Area are situated halfway along the Sihwa Embankment connecting Oido Island of Siheung-si and Daebudo Island of Ansan in Gyeonggi-do.
The Moon Observatory is a popular tourist destination. The floor is glass, offering a thrilling experience just to walk around.
Even though you don’t go to Daebudo Island, be sure to visit Oido Island and drop by the Moon Observatory while driving along the Sihwa Embankment. I highly recommend that you visit the Moon Observatory in Ansan.

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You will have to park in the parking lot of the Sihwa Narae Service Area. If traffic is slow, you can park in the lot on the opposite side of the road.
Parking is free. If you park at the parking lot on the opposite side of the road, you can look down at the traffic flow passing Sihwa Embankment from the bridge. If you drive back towards Oido Island without entering Daebudo Island, it will be better to park at the parking lot on the opposite side of the road.

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It takes 43 seconds to go up to the 75-meter-high observatory, and admission is free.
The elevator can accommodate up to 10 persons, but you don't have to squeeze into the elevator since you don't have to wait long for the next.

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I was lucky to see Sihwaho Lake opening its floodgates to discharge water.
The Tidal Power Plant of Sihwaho Lake produces electricity using the difference in water levels of the sea and the reservoir based on the tidal differences of the West Sea. The tidal power plant improves the water quality of Sihwaho Lake through seawater exchange, and produces 552GWh electricity per year through tidal power generation. 552GWH corresponds to the annual household power consumption of a city with a population of 500,000, and substitutes 862,000 barrels of oil import per year.

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I could see the parking lots and Daebudo Island on the opposite side.

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The highlight of the Moon Observatory is the transparent glass floor zone.
If you are scared of heights, you can walk on the inner path. If you want to walk on the glass floor, walk on it gently and look down at the view after taking off your shoes and putting down any heavy bags.

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I looked down at the ground through the glass floor. The people below seemed so tiny, like ants.
I took off my shoes and walked carefully on the glass floor. Although I got a bit scared at first, I took some fun photos sitting on the glass floor and enjoyed the view under my feet later.

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The exhibition hall across from the observatory has plenty of things to see and enjoy. You can learn how Sihwaho Lake was made and the effect of the moon on tidal differences, and look around at the Sihwa Tidal Power Generation Zone, Clean Energy Zone, and more.

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You can find a rest area next to the Moon Observatory where you can eat some food or take a rest, although I think it is still a bit hot to sit at a table outside in the middle of a summer day.

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Sihwa Narae Tidal Power Park is located between the Sihwa Narae Service Area and the Moon Observatory. You can look around a variety of sculptures in the park.

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It would be great to sit on the stairs and watch the sunset.

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You may want to eat some food or beverages at the food court or convenience store in the service area.

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If you go a bit further from the Sihwa Narae Service Area, you can visit the Gubongdo Sunset Observation Deck on Daebudo Island. It will take a whole day to visit the Moon Observatory in Oido Island and the Gubongdo Sunset Observation Deck. I visited the sunset observation deck last year, but I couldn't see the sunset, so I would like to visit the Gubongdo Sunset Observation Deck again soon.


​ Moon Observatory, ​Sihwa Narae Service Area
Sihwa Embankment, Danwon-gu, Ansan-si, Gyeonggi-do