There are some minor pavilions etc. there, and the trees are very picturesque in Spring.
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合肥植物园 Héféi zhíwùyuán
There's a nice bonsai garden there.
安徽名人馆
Has 50 wax figures of prominent people in Anhui history and 23 scenes.
大蜀山 Dàshǔ shān
The view across Hefei is great on a clear day and there is a TV tower at the top. It can get crowded on days when the weather is nice. The walk up to the top of the mountain takes about 30 minutes. The Hefei Zoo is near but not much; it's a long walking distance along Wangjiang road.
合肥科技馆 Héféi kējì guǎn
黄山路446号 Huángshān lù