Why can't you swim at Manoa Falls?
Why can't you swim at Manoa Falls? Manoa Falls is a 150-foot waterfall along the Manoa Falls Trail in Honolulu, Hawaii. Swimming in the pool below the waterfall is highly discouraged because there is a threat of becoming infected with Leptospirosis, a disease causing mild to moderate flulike symptoms that can last for 1 to 2 weeks.
What is the pool under a waterfall called?
A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. It is created by the erosional forces of cascading water on the rocks at formation's base where the water impacts.
Is it safe to swim in Hawaii waterfalls?
While it is nice to swim in the pool below the falls, we don't recommend swimming directly under the waterfall. The pressure of the water can be intense, and sometimes rocks and other debris can come over the falls without warning and cause injury.