Xu Xiake

Modern-day analog: Chief of China's sacred peaks explored on his first grand excursion, Tai'an, Shandong

Climbing the Emperor of Mountains: Pioneering Observational Geology

Atop Mount Tai he logged rock strata and climate by hour, writing: 'The sun rises in the east—ten thousand li pure and radiant, every peak below.' Field science replaced vague lyrical tourism.

From Tai he turned south to Anhui, twice assaulting Huangshan's icy granite spires.

“The sun ascends from the east, ten thousand leagues pure and radiant, with every mountain peak bowing beneath.”

日出东方，万里澄鲜，诸峰尽出其下。(Rì chū dōng fāng, wàn lǐ chéng xiān, zhū fēng jìn chū qí xià.)

Modern-day analog: Granite pinnacles and sea of clouds where Xu Xiake made pioneering ascents, Anhui

Conquering the Sea of Clouds: 'No Mountain Rivals Huangshan'

Twice in blizzards he forced Lotus Peak and Tiandu Peak, concluding forever: 'Within and beyond the seas, none rivals Huangshan; climb it, and no other mountain remains—the ultimate wonder!'

Next he entered northern Fujian, rafting Wuyi's Nine-Bend Stream among red sandstone and hanging coffins.

“Across all the world within and beyond the seas, none rivals the Yellow Mountain; climbing Huangshan, no other mountain remains—it is the ultimate wonder!”

薄海内外无如徽之黄山，登黄山天下无山，观止矣！(Bó hǎi nèi wài wú rú Huī zhī Huángshān, dēng Huángshān tiān xià wú shān, guān zhǐ yǐ!)

Modern-day analog: Red sandstone karst landscape and bamboo raft river exploration, Fujian

Red Sandstone Canyons and Cliffside Hanging Coffins

Rafting the Nine-Bend Stream, he mapped Danxia sandstone weathering and cliff coffins, marveling: 'Around every bend the mountains turn; by every peak the waters flow in embrace.'

From Wuyi he turned to Zhejiang's coast, to solve the source of Yandang's Great Dragon Waterfall.

“Around every bend the mountains turn; by every peak the emerald waters flow embrace.”

曲曲山回转，峰峰水抱流。(Qū qū shān huí zhuǎn, fēng fēng shuǐ bào liú.)

Modern-day analog: Volcanic rock peaks and dramatic waterfalls surveyed by Xu Xiake, Zhejiang

Hanging from a Cliff to Solve the Mystery of the Great Dragon Waterfall

At Yandang he lowered himself on wild vines to trace Dalongqiu Falls, recognizing an ancient volcanic caldera: 'Tracing the fall to its source, scaling precipices—wondrous peaks embrace, nature's craftsmanship.'

At fifty he launched his greatest trek—ten thousand li into the southwest, toward Guilin's karst.

“Tracing the waterfall to its source, scaling vertical precipices; wondrous peaks embrace from all sides, a miracle of nature's craftsmanship.”

溯瀑源而上，攀绝壁而行，奇峰环拱，造化神工。(Sù pù yuán ér shàng, pān jué bì ér xíng, qí fēng huán gǒng, zào huà shén gōng.)

Modern-day analog: Karst landscape wonderland along the Li River, modern Guilin, Guangxi

Mapping Hundreds of Caverns: 150 Years Ahead of European Karst Science

Around Guilin he torch-mapped hundreds of limestone caves: 'Caves within caves, water threading through; forests of stalactites—miraculous elegance of creation,' pioneering karst science 150 years before Europe.

Through bandit country and miasma he pushed on into the wild Guizhou plateau.

“Caves nested within caves, subterranean waters coursing through; forests of stalactites standing tall, miraculous elegance of creation.”

洞中有洞，水穿其中；石笋如林，造化神秀。(Dòng zhōng yǒu dòng, shuǐ chuān qí zhōng; shí sǔn rú lín, zào huà shén xiù.)

Modern-day analog: Magnificent waterfall whose geology and mist were scientifically surveyed, Guizhou

Thunder of White Water: The First Scientific Account of Huangguoshu Falls

At Huangguoshu Falls he wrote: 'Pearls smashed, jade shattered; spray surges back like smoke into the sky—its force immensely fierce'—the earliest scientific description of the cataract.

Westward into Yunnan, he made for Dali's Cangshan and Erhai along the Hengduan ranges.

“Pounding pearls and shattering jade, mist surges upward like soaring smoke; its momentum is supremely majestic.”

捣珠崩玉，飞沫反涌，如烟雾腾空，势甚雄厉。(Dǎo zhū bēng yù, fēi mò fǎn yǒng, rú yān wù téng kōng, shì shèn xióng lì.)

Modern-day analog: Ancient Nanzhao/Dali kingdom nestled between Cangshan Mountain and Erhai Lake, Yunnan

Nineteen Snow Peaks and the Butterfly Spring of Dali

At Dali he studied marble genesis and Erhai's fault zone, and recorded Butterfly Spring: 'On the great tree above the spring, butterflies gather head-to-tail, hanging in colorful chains down to the water.'

Aided by Lijiang's Mu chieftain, he entered the Jinsha gorges for his greatest geographic proof.

“Upon the grand tree over the spring, butterflies gather in swarms, connecting head to tail, dangling in colorful strands down to the water surface.”

泉上大树，蝶集其上，首尾相衔，累累下垂至水面，五彩缤纷。(Quán shàng dà shù, dié jí qí shàng, shǒu wěi xiāng xián, lěi lěi xià chuí zhì shuǐ miàn, wǔ cǎi bīn fēn.)

Modern-day analog: Pioneering geographic survey proving Jinsha River is the true source of the Yangtze, Yunnan

Correcting Two Millennia of Geography: The True Source of the Yangtze

Surveying both banks of the Jinsha, he concluded in On the River's Source: 'Whoever traces the Yangtze must take the Jinsha as chief, not the Min'—correcting two millennia of error from the Tribute of Yu.

Both feet crippled by the trek, Naxi friends escorted him home with dozens of precious manuscript volumes.

“In determining the source of the Yangtze, one must take the Jinsha River as the true headwaters, and not the Min River.”

推江源者，必当以金沙江为首，不当以岷江为首也。(Tuī jiāng yuán zhě, bì dāng yǐ Jīn shā jiāng wéi shǒu, bù dāng yǐ Mín jiāng wéi shǒu yě.)

Modern-day analog: Water-town home of Jiangyin on the Yangtze delta, Jiangsu

Walking until the Feet Could Walk No More: The 600,000-Word Monument

He died in Jiangyin in 1641 at fifty-four. Qian Qianyi wrote: 'Zhang Qian, Xuanzang... Xiake, a commoner, traveled the realm thirty years—a remarkable man!' His 600,000-character Travels still shine in world science.

“Zhang Qian, Xuanzang, and Yelü Chucai all traveled on imperial orders. Xu Xiake, as a humble commoner in cotton robes, explored the realm for thirty years—a truly peerless hero!”

汉代张骞，唐代玄奘，元代耶律楚材，皆为奉命远游。霞客以布衣匹夫，游历海内三十年，可谓奇男子也！(Hàn dài Zhāng Qiān, Táng dài Xuán Zàng, Yuán dài Yēlǜ Chǔcái, jiē wéi fèng mìng yuǎn yóu. Xiákè yǐ bù yī pǐ fū, yóu lì hǎi nèi sān shí nián, kě wèi qí nán zǐ yě!)