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There might be a flash flood after rain.
River tracing boots, life jackets, and helmets.
Geba Waterfall(戈霸瀑布)24.68408,121.57433. There is another waterfall further up, and the distance to it is said to be 1 hour from Geba Waterfall. The trail goes to Geba Waterfall from the entrance. This creek is in Jiuliao River Ecological Park, and river tracing is not allowed. There is a chance to get driven away by the patrols.