C.R.S. § 29-7.5-105

If a transmission right-of-way has been accepted by the park board as park, trail, or open space, then neither the owners or operators of the high voltage line, transmission right-of-way, or land subject to the transmission right-of-way, nor the governmental or quasi-governmental entity exercising jurisdiction over the park board, nor any of their employees, officers, agents, or board or council members shall have any liability for any injury to person or property or for the death of any person caused by an act or omission of such person or party on the dedicated lands.