Hailongtun Fortress

UNESCO-listed mountain fortress-palace of the Yang clan tusi chieftains in Guizhou — besieged and destroyed by Ming imperial troops in 1600 after a major rebellion, now one of the best-preserved defensive ruins in southwest China.

Hailongtun (Sea Dragon Fortress) rises on a near-vertical crag north of Zunyi city in Guizhou, its sheer cliff faces and multiple defensive gates making it appear impregnable — as indeed it proved for over 100 days during the Ming-dynasty siege of 1600. The fortress was the palace-stronghold of the Yang clan, who had ruled the Bozhou region under the tusi system of indirect imperial administration for over 700 years. Yang Yinglong's rebellion against Ming authority, beginning in 1587, culminated in the siege and destruction of Hailongtun by a 240,000-strong Ming army — one of the largest military operations in Ming history.

The fortress is inscribed on the UNESCO World Heritage List as one of the three component sites of the Tusi Sites property (2015), together with Laosicheng in Hunan and Tangya in Hubei. Hailongtun is by far the most dramatically sited of the three and the best preserved in terms of its defensive architecture.

Nine successive gateway complexes, each more heavily defended than the last, control the single approach path up the ridge. The innermost palace terraces at the summit, destroyed and burned in the Ming assault, survive as extensive stone foundations revealing the plan of the original three-courtyard palace complex, comparable in scale and sophistication to provincial Chinese administrative centres of the period. Carved stone architectural elements — brackets, column bases, decorative tiles — litter the summit area.

The crag is approached by a trail of over 1,700 stone steps cut into the cliff face. The ascent takes approximately 40 minutes and involves some steep sections with chains for assistance. Views from the summit encompass the Zunyi basin and surrounding mountains.