Taihu Valley (Zhinan Village)
太湖源(指南村)
Lin'an's 太湖源镇 sells two half-days: a paid gorge with one mapped greenway of 1,765 m, and a free terraced village at about 600 m whose colour window runs late October to mid November. Both sit inside a provincial forest park and outside the 天目山 reserve. A highway, not a path, joins them.
太湖源镇 is a township of terraced hills and one steep valley in Lin'an, two hours west of Hangzhou by metro and county bus. It carries two products that visitors routinely mistake for one: 太湖源风景区, a ticketed gorge whose walkable path is a single named greenway, and 指南村, a free village of working rice terraces about 600 m up whose autumn colour is one of the better-known dates in this county's calendar. Both sit inside 太湖源省级森林公园, 12,733 hectares over nine villages, and outside 天目山国家级自然保护区, whose 2025 notices ban walking and photography in its core and buffer zones. A day assembled from search results hits both rules, and only one applies here.
The two are not adjacent in the way the marketing implies: the gate and the foot of 指南村 are 6.4 km apart and the pedestrian route between them runs 99.5 % on 218省道, so the join is a car or a change at 杨桥, never a leg. Inside the paid valley the arithmetic is narrower than the brochure too. The county gives the gorge more than 5,000 m west to east and the forestry side a depth of 10-plus kilometres, while the path the pedestrian network knows is 1,765 m to 祭源坛 and the same back, which the operator prices at two hours.
指南村 is the half with a season. The provincial forestry department registered 368 mu of viewing terraces there in 2020, rice and rapeseed; the township tree register carries 122 protected sweet gum, ginkgo and oaks. The official colour window runs late October to mid November and the rice is cut inside it, so gold terraces and red leaves are different weeks. The 千亩 claim belongs to 龙门秘境 over in 高虹镇, another township entirely. A village page is not written, and not because nobody looked: every route the map engine builds through those lanes runs 75 to 100 % on 永指线, the mountain road, so there is no honest distance to print until a recorded track exists.
That gap matters because the county's inventory is rich: Lin'an counts 51 registered ancient paths over 332.1 km, nine of them in this township, and 临川古道 above the village is a provincial second-grade path registered as a ring of about 5,500 m — registered by 安吉县 across the ridge, so it is a comparison here, not a shipped distance.
Access and weather decide everything else. Line 16 reaches 临安广场站, where the A exit shares its stand with the county buses; 832 runs west to 杨桥, 2721 goes up the valley road to 太湖源头 at the gate, and the routing engine prices that trip at 1 hour 58 minutes and 4 yuan. The direct coach from 杭州东站 is a seasonal 文旅专线 marked suspended in the platform's stop data. The last bus down, not the closing time, sets how far a walk here goes. The other calendar is the closure order: on typhoon and heavy-rain warnings Lin'an suspends every scenic site, campsite and water activity inside the district and stops rural buses with them, three times in 2026 — 10 July, 8 August and 28 August.