It is a little larger than Rear Tzuhu. The breeze ripples the quiet waters. They look as if the depth is beyond measurement. Interconnected by the same water with the front lake, Rear Tzuhu is narrow and long.
前慈湖稍大，約有五公頃，碧波微揚，顯得很深；後慈湖稍小，比較窄長，溪水由後慈湖流出。