Hangzhou- Tangkou- Mt Huangshan- Hongcun- Tunxi- Shanghai

Hi there, has anyone taken this route or could advice on this?

Day 1: Hangzhou to Tangkou
Day 2: climb up Mt Huangshan. stay at the top of the mountain
Day 3: Descend Mt huangshan and had to Hongcun, then travel to Tunxi
Day 4: Tunxi to Shanghai

WOuld like to know if there are direct buses from Hongcun to Tunxi directly so that i do not need to spend time travelling back to Tangkou and catch a bus to Tunxi. Would appreciate it if someone can provide the timings and/or location of the bus from Hongcun.

THANKS!