Persons may spread human ashes on lands owned by the Idaho Department of Parks and Recreation. The exact location must be pre-approved by the park or program manager. Persons may not spread ashes in the water within a state park. The department does not assign or convey any rights or restrictions by allowing the placement of ashes on the land, and there are no restrictions in the ability of the landowner to operate, develop, or otherwise use the land at their sole discretion without any obligation associated with the placement of ashes on the land.
Idaho Admin. Code r. 26.01.20.577