If a taxi, it will more a little more than 1000rmb. Charter a 7-seat van within hangzhou city, it is 800 per day. you should pay 4-8 yuan for extra kilometers. It will be much expensive then renting a taxi. So, why not renting a vehicle in Huangshan. Huangshan city is 2.5 -3hours from Hangzhou. The ticket fare is about 95. Then you can charter a van from huangshan to the scenic spot which is also one hour away from the city of Huangshan.