Siao-you-keng is one of the main entrances to Qi-xing Mountain Trail.
小油坑是登七星山步道的主要登山口之一。

Following the signs, you'll see the smoking volcanic crater after going through the visitor center and some bamboo forests.
照著指標走，穿越遊客中心和一小段箭竹林，就會看到冒煙的火山爆裂口。

With its geological landscape formed during the post-eruption era, Siao-you-keng has one of the two volcanic craters in Yangmingshan.
小油坑是陽明山兩大火山爆裂口之一，是後火山時期形成的地質景觀。

Upon approaching it, you'll smell heavy sulfur. The fact that you'll need to pass through smelling sulfur fumes before going uphill makes it the most distinctive Qi-xing Mountain hiking trail.
靠近一點，會聞到濃濃的硫磺味，這是七星山登山步道最特別的一條，上山前要穿越硫磺氣。

Be sure to apply sunscreen as there are few shade trees along the way.
沿途沒有太多樹蔭，要注意防曬。

This is the only trail allowing you to see the volcanic terrain from the vicinity of a highway.
只有這條步道，可以在距離公路這麼近的地方，看到火山地形。

You get to see this smoking volcanic crater from many scenic spots in Yangmingshan National Park.
在陽明山國家多處景點，你都可以看到這個冒煙的火山口。

You'll have different viewing pleasures when admiring it from different perspectives.
角度不一樣，就有不同的趣味。

Japonica Rice Story House

蓬萊米故事館

There is a map of Bamboo Lake and Siao-you-keng in Bamboo Lake Japonica Rice Story House.
在竹子湖的蓬萊米故事館裡，有一張竹子湖和小油坑的地圖。

It tells you from which spot you can view Siao-you-keng.
告訴你可以從哪些角度看小油坑。

There is also an enlarged image of Siao-you-keng inside the story house.
故事館裡，也有一張小油坑放大的照片。

You can get a view similar to the below picture on Balaka Highway.
走巴拉卡公路，就可以看到跟下面照片類似的景象。

The pictures below were taken from a scenic overlook on a pedestrian separation lane while on our way to Datun Nature Park.
以下照片是往大屯公園途中，走上一段人車分道，從一個觀景平台就拍到的。

White sulfur fumes emanating from the gray volcanic terrain suddenly appear in the green mountain scenery.
綠色山景中，突然出現灰色的火山地形，冒出一縷縷白色的硫磺氣。

The road beneath Siao-you-keng in the picture is Yangjin Highway.
照片中，小油坑正下方有一條公路，就是陽金公路。

Siao-you-keng Bridge

小油坑橋

The bridge that you see when crossing the valley beneath the volcanic crater is Siao-you-keng Bridge.
跨越火山裂口下方的山谷的橋，就叫小油坑橋。

It's almost like having the crater right above your head when you look up from the bridge.
如果走到橋頭往上看，火山口彷彿在你頭上。

Don't stay around for too long due to a landslide occurrence.
這個位置發生過崩塌，不要停留太久。

竹子湖

Bamboo Lake

Another spot is Zhongzheng Shan Trail in Bamboo Lake.
另外一個點，在竹子湖中正山步道。

Looking beyond the Calla Lily field, you can see the Siao-you-keng at the foot of Qi-xing Mountain.
從海芋田看過去，小油坑就在七星山的腳下。

Siao-you-keng is possibly an euphony meaning "smaller sulfur-mining pit," where Siao means "small," You means "sulfur" and Keng means "pit."
小油坑可能是諧音，意思是小一點的採硫坑。「Siao」是小, 「You」是硫, 而「Keng」是坑。

Da-you-keng

大油坑

Therefore, there is actually Da-you-keng, where Da means "big." It can be found on your way to Fish Road Historic Trail.
所以真的還有一個大油坑, 「Da」就是大。就在魚路古道的途中。

With the biggest fumarole in Taiwan, Da-you-keng is larger than Siao-you-keng. A British company used to have a sulfur-mining operation here.
大油坑面積比小油坑大，是台灣最大的火山噴氣口，有一家英國公司曾經在這裡開採硫磺。

Due to the extremely fragile land structure, the national park has closed this scenic spot to prevent tourists from entering.
但是地質很脆弱，國家公園已經封閉這個景點，禁止遊客進入。