A Guide to Taiwan High Mountain Tea

Taiwan’s high mountain tea, or "gao shan cha", is prized for its clarity, elegance and remarkable refinement in the cup. In general, the term refers to tea grown above 1000 metres, where cooler temperatures, mist, strong day-to-night temperature swings and slower leaf growth create the style that has made Taiwanese high mountain oolong famous around the world. 

When people first explore Taiwanese high mountain tea, three names appear again and again: Alishan, Shanlinxi and Lishan. These are the best-known regions, but they are not the whole story. Elevation, cultivar and growing area all influence flavour, rarity and price. 

The big three high mountain regions

Alishan

Alishan is one of Taiwan’s most recognised high mountain tea regions, with tea gardens found at elevations ranging from around 700 to 1700 metres. However, only tea grown above 1000 metres is considered high mountain tea, so not all "Alishan tea" is Alishan high mountain tea. Alishan is known for producing high mountain oolong with a floral, sweet and approachable character, making it a favourite starting point for many drinkers. 

Shanlinxi

Shanlinxi, meaning Cedarwood Forest and Stream, in Nantou, is another major high mountain region and is often regarded as one of the early homes of Taiwan’s modern high mountain tea style. Its tea gardens range from around 800 to 1800 metres in elevation, with some of its most renowned high-elevation areas found between 1600 and 1800 metres. Shanlinxi teas are prized for their structure, freshness and elegantly lifted aromatics.

Lishan

Lishan is undoubtedly the most prestigious names in Taiwanese high mountain tea. Its tea gardens range from around 1500 to 2400 metres, while the broader Lishan tea region may extend to even higher elevations. The highest tea gardens within the region is Fushoushan. If the Nantou-side growing areas are also included within the broader Lishan tea region, the highest point reaches around 2520 metres at Huagang.  These extreme elevations slow leaf growth dramatically, which is one reason Lishan tea is so sought after and so expensive. 

Some sellers claim their Lishan tea comes from tea gardens over 2600 metres. In reality, this is either an error or an exaggerated claim, as there is no record of managed tea gardens in Taiwan above 2700 metres or illegal grow.

Dayuling was once home to some of the highest tea gardens in Taiwan, with elevations reaching up to 2650 metres. However, after most of these gardens were reclaimed by the Forestry Bureau from 2014 onwards, only a small area remains in production. The remaining three tea gardens also face uncertainty, with the risk of further reclamation by the Forestry Bureau. In our view, limited ongoing investment means they no longer produce tea at the level of quality they once did. Today, the highest remaining tea gardens sit at around 2400 metres, with seasonal output of less than 5000 kg.

Other high mountain regions

The Yushan tea region is located in Xinyi Township, Nantou County, with tea gardens situated between 1200 and 1800 metres in elevation. Overall production remains limited due to the constraints of the terrain. The main cultivars grown in the region are Qing Xin Oolong and Jin Xuan, with Jin Xuan typically planted at around 1200 metres or lower.

The Qilai Mountain tea region spans a wide area, with notable variation in elevation, terrain and microclimate between individual gardens. This results in greater differences in quality from one garden to another, as well as across seasons. At elevations of up to around 2060 metres, the region is notably cold and has historically been more prone to cold injury. By comparison, although some gardens in Lishan sit at even higher elevations, more favourable topographical and microclimatic conditions allow for the more consistent production of fine high mountain tea.

Elevation

Elevation is not just a romantic detail. It has a direct effect on how the tea grows. Cooler weather and frequent mist slow the growth of the leaf, which generally means smaller harvests and fewer picking cycles. Steep terrain also makes cultivation and hand-picking more difficult. Together, these factors increase cost and help explain why higher-grown tea is usually more expensive. 

That said, higher does not automatically mean better. Elevation is only one part of the picture. Cultivar, season, farming skill and processing all matter. A beautifully made tea from a slightly lower garden can easily outperform a poorly made tea from a more famous or higher site. This is why region alone should never be the only measure of quality.

Research from the Tea Research and Extension Station notes that cold injury and frost become increasingly likely as elevation rises. That said, higher altitude does not necessarily mean colder growing conditions in every case. It depends greatly on whether a tea garden lies in a valley, on a hillside, on a plateau, or along an exposed wind-facing ridgeline.

In other words, the viability of tea cultivation at high elevation depends not only on altitude itself, but also on a number of crucial site conditions, such as:

• slope orientation

• protection from prevailing cold winds

• the presence of natural topographical shelter

• the ability of cold air to drain away

• adequate sunlight exposure

Lishan is one of Taiwan’s most established and prestigious high mountain tea regions, with a long-standing depth of experience in site selection, garden management and tea craftsmanship.

Cultivar

Region and elevation matter, but cultivar matters too.

In Taiwan’s high mountain oolong world, the two cultivars customers most often encounter are Chin Shin and Jin Xuan.

Jin Xuan — also known as TRES #12 or “Milk Oolong” — was developed in Taiwan and is known for its softer, creamier and more approachable profile. It was bred to be more hardy and productive than more delicate traditional cultivars. 

Chin Shin is generally regarded as the more classic high mountain oolong cultivar, especially at higher elevations, and is often associated with greater finesse, lift and complexity in the cup. It is the dominant cultivar in majority higher-elevation gardens.

A useful rule of thumb: Jin Xuan is usually grown at lower high-mountain elevations, often up to around 1200 metres, because it is less tolerant of colder conditions than Chin Shin and more suitable for warmer conditions.

Why Chin Shin usually costs more than Jin Xuan

Firstly, it is important to understand that Jin Xuan is typically grown at lower elevations, while Chin Shin is usually cultivated at higher elevations.

Even at the same elevation, such as 1000 metres, Chin Shin generally commands a higher price than Jin Xuan. In some cases, the highest-priced Chin Shin can be up to 45% more expensive than the highest-priced Jin Xuan.

One reason is productivity: Jin Xuan is widely described as more vigorous and higher yielding, while Chin Shin is more delicate and less abundant. In practice, that means Jin Xuan is often more affordable, while Chin Shin is usually positioned as the more premium option. 

This is why Alishan tea can vary so much in price. Two teas may both come from Alishan, but if one is Jin Xuan grown at around 1000 to 1200 metres and the other is Qing Xin from a higher garden, the flavour profile, rarity and price can be very different. 

So why does high mountain tea range so much in price?

In simple terms, the price of Taiwanese high mountain tea is shaped by four main factors:

• Region — famous names such as Lishan usually command more

• Elevation — higher gardens often mean slower growth and lower yields

• Cultivar — Chin Shin is typically priced above Jin Xuan

• Craftsmanship and season — picking standard, weather and processing skill all matter

That is why two teas both labelled “high mountain oolong” can sit at very different price points. The name tells you the style, but not the whole story. 

Final thoughts

Taiwan’s high mountain teas are not defined by altitude alone. The best way to understand them is to look at terroir and cultivar together. Alishan, Shanlinxi and Lishan may be the big three, but within those names there is enormous variation. And once you understand how cultivar and elevation shape both flavour and rarity, the difference in price starts to make much more sense. 

Gardens of Taiwanese High Mountain Tea