36 CFR § 7.87 - Kaloko-Honokohau National Historical Park.
(a) Is public nudity prohibited at Kaloko-Honokohau National Historical Park? Yes. Public nudity, including nude bathing, by any person on Federal land or water within the boundaries of Kaloko-Honokohau National Historical Park is prohibited. This section does not apply to a person under 10 years of age.
(b) What is public nudity? Public nudity is a person's failure, when in a public place, to cover with a fully opaque covering that person's genitals, pubic areas, rectal area or female breast below a point immediately above the top of the areola.
(c) What is a public place? A public place is any area of Federal land or water subject to Federal jurisdiction within the boundaries of Kaloko-Honokohau National Historical Park, except the enclosed portions of restrooms or other structures designed for privacy or similar purposes.