Li River from Guilin to Yangshou

From Guilin you can go onboard an a riverboat to Yangshuo. The boat has english speaking guides onboard informing you about the scenery you pass on the river. Onboard you can also get an excellent lunch. On special demand you can even get newly fished fish from the river. And the scenery can be admired and photoed from the upper deck. The tour takes about 4  hours. When in Yangshuo, you can take the buss back to Guilin, 1h 30m, or you can stay in Yangshuo and explore the river on a bamboo raft, before taking part in the nightlife in the pedestrian area of the town.

Wikipedia: Li River