Bajiao Ancient City: The Mysterious Octagonal Fortress of Gannan

Bajiao (Bajiao Ancient City), also known in Tibetan as Yongzhong Kar, is one of the most distinctive archaeological sites along the ancient Silk Road in Gannan Tibetan Autonomous Prefecture, Gansu Province. Located on the Ganjia grasslands of Xiahe County, the ruins form a nearly perfect octagon when viewed from above – a design unique among ancient Chinese fortifications. Unlike many historical sites that exist only as isolated relics, Bajiao remains a living community where Tibetan and Han residents continue their daily lives within the ancient rammed-earth walls.

The name "Eight-corner City" comes from the eight prominent angles of its defensive walls, a shape that eliminated blind spots for archers. This article provides a detailed overview of Bajiao's history, practical visit information, and guidance on whether this remote ruin fits your travel itinerary.

Overview and Historical Significance

The site's history begins in the Han Dynasty, when it was established as Baishi County. Over the centuries, control passed between the Central Plains dynasties, Tubo, and Xixia, cementing its role as a strategic military outpost along the Henan Dao corridor of the Silk Road.

The city's architecture, often called a "hollow cross," echoes the Bon religious symbol of the swastika (yongzhung), representing eternity and stability. This layout is not merely decorative; it reflects deep defensive engineering principles.

Unique "Hollow Cross" Architectural Layout

Most ancient Chinese cities were built with orthogonal rectangular walls. Bajiao’s octagonal shape, combined with internal cross-shaped streets, gave the city its hollow cross appearance. Defensive towers (horse faces) protruded from each of the eight corners, allowing soldiers to cover every approach without any dead zone.

The total circuit of the walls is about 2.2 kilometers, with surviving sections reaching roughly 10 meters in height. The rammed earth technique has kept the walls remarkably intact after centuries of weather and use.

Ancient Origins and Strategic Role

According to the source overview, Bajiao dates back to the Han Dynasty as Baishi County. Its location at the confluence of the Yangqu River and the foot of the White Stone Cliff (Baishiya) gave natural protection. The city was later contested by the Tang, Song, and Yuan dynasties, as well as Tubo and Xixia.

This history is evidenced by Tang and Song coins and pottery shards discovered in the area. The site therefore offers valuable insight into the military, trade, and cultural interactions along the Silk Road.

Military Engineering Mastery

The primary advantage of the eight-corner design was eliminating blind spots. In traditional square fortresses, attackers could approach corners without being seen from two sides simultaneously. Bajiao’s angled walls meant each face was covered by adjacent sections, creating overlapping fields of fire.

The protruding horse faces allowed defenders to shoot arrows or pour hot liquids along the base of the walls. This level of innovation made Bajiao an "impregnable iron wall" in its time.

Visiting Practicalities

Bajiao Ancient City is not a standalone ticketed attraction but part of the larger Ganjia Secret Realm scenic area. The information below comes from the source FAQ and overview; verify current conditions before traveling.

Location and How to Get There

Bajiao Ancient City is located in Bajiao Village, Ganjia Township, Xiahe County, Gannan Tibetan Autonomous Prefecture, Gansu Province. It is about 35 kilometers from Labrang Monastery, the major landmark in Xiahe. There is no direct public transportation; the most reliable way is to charter a car or drive yourself from Xiahe County (or Hezuo City).

The route passes through grasslands and small Tibetan villages. A 4×4 vehicle is not required in dry weather, but road conditions can change. Expect a drive of about 40 minutes to 1 hour from central Xiahe.

Entrance Fees and Tickets

As of the source FAQ, the Bajiao Ancient City ruins themselves are generally open for free, but the site sits within the Ganjia Secret Realm scenic area, which may charge an entrance fee. The FAQ mentions an approximate fee of 80 RMB including shuttle bus. However, no official website or recent verification confirms this figure.

Some travelers report that the fee varies or that parking is separate. Plan for 50–100 RMB per person for the overall area access. Always check with your hotel or a local tour operator before going.

Best Time to Visit

The most favorable months are June through September, when the grasslands are lush, wildflowers bloom, and temperatures are mild. The source FAQ also mentions spring and autumn as best seasons. Summer offers green scenery perfect for photography, while autumn brings golden-brown tones to the walls and fields.

Winter is harsh, with cold winds and possible snow blocking access. Spring (April–May) can be windy but less crowded. Avoid the May Day and National Day holidays if you prefer solitude.

What to See and Do

While the ruins are the main draw, the surrounding landscape and living village add to the experience. Expect to spend about one hour on-site, though arriving from Xiahe takes more time.

Walk the City Walls

A wooden boardwalk has been built parallel to part of the ancient walls. Climbing to higher vantage points offers a panoramic view of the hollow cross geometry, the White Stone Cliff, and the meandering Yangqu River. You can also walk along sections of the rammed earth walls themselves, but tread carefully as some edges may be soft. The view from above is essential to appreciate the octagonal shape.

Photography Tips

The contrast between the yellow-brown rammed earth and the vibrant green (summer) or gold (autumn) grasslands makes this a prime location for landscape and drone photography (check local drone regulations before flying – likely prohibited inside the scenic area without permit). Golden hour, especially sunset, bathes the walls in warm light and emphasizes the geometric lines.

A wide-angle lens captures the full layout from a distance. Morning light works for the east-facing walls.

Local Culture and Festivals

Inside the walls, a village of Tibetan and Han residents continues their daily routines. During festivals, you may witness horse racing and Guozhuang dance performed against the ancient backdrop. The coexistence of ancient ruins and modern life is rare; treat locals with respect, and do not enter private homes or yards without permission. Livestock such as yaks and sheep graze freely near the walls – watch your step.

Who Should Visit and Who Should Skip

Bajiao is a specialized attraction; understanding your travel style helps set expectations.

• History and military architecture enthusiasts will appreciate the unique layout and the chance to see a living specimen of ancient city planning.
• Photographers focusing on landscape, ruins, or cultural contrasts will find strong material.
• Travelers combining Xiahe with Labrang Monastery can make a half-day detour to Bajiao for a more diverse experience.
• Those on a tight schedule (e.g., one day in Xiahe) might skip Bajiao unless history is a priority, since the travel time plus one-hour visit can consume a morning.
• Families with very young children or mobility issues: The site involves walking on uneven ground and climbing slopes; strollers are impractical.

Altitude and Safety Considerations

Bajiao sits at about 2,100 meters (6,890 feet) above sea level. While this is moderate compared to the high-altitude regions of Tibet (above 3,500m), it can cause mild symptoms for visitors who have just arrived in Gannan from low elevations. Xiahe itself is about 2,800–3,000 meters. If you are already acclimatized to Xiahe, the 45-minute drive down to 2,100m is actually easier.

• Drink water, avoid alcohol, and limit exertion during the first day in the plateau.
• The sun is strong – wear sunscreen and a hat.
• No steep climbs require specialist gear, but wear sturdy shoes.
• The ruins are not fully lit; carry a flashlight if visiting near dusk.

Frequently Asked Questions

Q: Where is Bajiao Ancient City located?
A: It is located in Bajiao Village, Ganjia Township, Xiahe County, Gannan Tibetan Autonomous Prefecture, Gansu Province, about 35 kilometers from Labrang Monastery.

Q: Why is it called "Octagonal City" (Bajiao Cheng)?
A: It is named after its unique "hollow cross" shape which forms eight prominent corners, a design intended to eliminate defensive blind spots.

Q: Is there an entrance fee?
A: The Bajiao Ancient City ruins themselves are generally open for free, but they are part of the Ganjia Secret Realm scenic area which may charge an entrance fee (approx. 80 RMB including shuttle bus). Confirm before visiting.

Q: What is the best time to visit?
A: The best time to visit is from June to September (summer). During these months, the grasslands are lush, wildflowers bloom, and the weather is mild. Spring and autumn are also good.

Q: How do I get there?
A: The most convenient way is to charter a car or drive from Xiahe County (Labrang Monastery). There is no direct public transport to the site.

Q: Is the site suitable for people with limited mobility?
A: The site has uneven paths and sections of stairs on the boardwalk. Wheelchair access is difficult.

Q: Can I fly a drone?
A: Drone regulations vary. The Ganjia Secret Realm area likely requires permission or prohibits drones. Check local rules before flying.

Final Decision Guidance

Bajiao Ancient City offers an uncommon blend of Silk Road history, unique military architecture, and living Tibetan culture. If you are already in Xiahe visiting Labrang Monastery and have half a day to spare, the drive across the grasslands and the sight of the octagonal walls are worth the detour.

However, if your schedule is tight or your interest in ruins, low, this site may feel like a long trip for a one-hour walk. For those passionate about ancient city planning and fortress design, Bajiao stands as a highlight of Gansu’s Silk Road heritage – a piece of history preserved not in a museum, but in the earth itself.