Lots options here. Small nice climbs. Still checking out the area.
Slate 8 Short
98km | 2 Climbs, 1 steep section | Good Road with a few gnarly sections downhill.
This route goes up Gaoshan, the first sharp climb, its optional and you can just stay on the good main road. After the longer climb it loops around the reservoir anti-clockwise and goes up Slate Hill, returning back.
Double 8: https://www.strava.com/routes/8263783 – nice but some gravel.
Single: https://www.strava.com/routes/9434298 – generally ok for road.
Slate 8 Mid
105km | 3 Climbs 1 steep section | Good Road with a few gnarly sections downhill