Chengshan Prospecting Station is the best commanding height overlooking the volcanoes of Kagoshima and Chengdao. You can take a tour bus to the middle of the mountain and walk up the road. When you meet the good weather, you can see the whole Chengdao volcano very clearly. The Prospecting Station is free. You can not see the Chengdao volcano in the evening. You can only see the night scenery. There are many mosquitoes. It is not recommended to come at night.