Hawaii - Manoa Falls
Manoa Falls
Length: 1.6 miles round trip | Difficulty: Easy | Elevation Gain: 800 ft | Trail Type: out and back | Dogs Allowed: Yes | Can be quite muddy and very busy, if you park in the neighborhood before the parking area then you don't have to pay the $5 for parking, this is also a location where LOST was filmed.
More details here at: Trails of Freedom