There is a mountain in 湖南 Húnán where the accommodation is designed around an appointment at dawn. 衡山 Héngshān — Hengshan, the Southern Great Mountain, one of the five sacred peaks of China — draws pilgrims and hikers who come to climb to its summit for sunrise, and the guesthouses on its lower and middle slopes exist to get them up the hill in the dark. The rooms are plain and the pace is set by the mountain.

南岳 Nányuè, “the Southern Peak”, as the mountain is properly called, is not a remote wilderness so much as a working sacred landscape: a large temple town at its foot, stone paths with shrines along the way, and a summit at 祝融峰 Zhùróng Fēng that fills with people at first light. Sleeping on the mountain is the way to do it without a 3 a.m. drive.
The Rooms
Guesthouses are spread along the mountain road and in the villages at its foot. Rooms are simple and clean — a bed, sometimes a private bathroom with hot water, a quilt that is genuinely needed at altitude even in summer, and a window that opens onto trees or cloud. The higher ones are cooler and quieter; the lower ones are closer to the temple town and its restaurants.
Many run as 农家乐 nóngjiālè — family-run rural lodgings — with home cooking, and most will serve 斋饭 zhāifàn, the vegetarian temple-style meal, if you ask. Prices are low by any standard, and the value is not luxury but position: from the middle of the mountain you are two hours from the summit on foot instead of four.

Around the Mountain
The climb to 祝融峰 Zhùróng Fēng is the main event, and most guests set off in the dark with a torch and warm layers to be there for sunrise. The path is well built and busy with pilgrims, and there are teahouses and small shrines the whole way up; at the top, a temple sits in the cloud, and on a clear morning the whole of central Hunan is laid out below.
At the foot of the mountain, 南岳大庙 Nányuè Dàmiào, the great temple of the Southern Peak, is a vast complex worth half a day on its own, and the surrounding 南岳 Nányuè town is full of vegetarian restaurants and shops selling incense and walking sticks. In winter the upper mountain freezes into 雾凇 wùsōng — rime ice on every branch — and the crowds thin to almost nothing.

Practicalities
Price: Low to modest — family-run mountain guesthouses and farmhouse lodgings, with higher rooms costing a little more and summit-area rooms more again in peak season. Address: Guesthouses line the mountain road and cluster in the villages on the slopes and at the foot of 衡山 Héngshān, near 南岳 Nányuè town in 衡阳 Héngyáng prefecture, 湖南 Húnán. Rooms: Simple doubles and family rooms, often with private bathrooms and hot water; ask whether the room has heating, which matters outside summer. Getting there: see below.
Where to stay: 衡山 Héngshān, the Southern Great Mountain, is in 衡阳 Héngyáng prefecture in central-eastern 湖南 Húnán, reached by high-speed rail to 衡山西 Héngshān Xī station and then by bus or taxi to 南岳 Nányuè town at the foot of the mountain, from where a shuttle and the stone paths climb the slopes. Staying on the mountain rather than in the town is the whole trick: it turns the sunrise into a short walk instead of an expedition. Book ahead for weekends and for the winter rime season, and bring a torch. Flowcloud would say that some places are best understood on foot at dawn, and that a mountain which has been climbed for two thousand years rewards the people who sleep on it. Take the room halfway up, start before light, and be on the summit when the sun arrives.