boundary, as a scenic river. (C) The approximately 14.2-mile segment of the North Fork Sol Duc River from the headwaters to the Olympic Hot Springs Road bridge, as a wild river. (D) The approximately 0.2-mile segment of the North Fork Sol Duc River from the Olympic Hot Springs Road bridge to the confluence with the Sol Duc River, as a scenic river. (E) The approximately 8.0-mile segment of the South Fork Sol Duc River from the headwaters to the confluence with the Sol Duc River, as a scenic river. (251) Lyre river, washington The approximately 0.2-mile segment of the Lyre River from Lake Crescent to the Olympic National Park boundary, to be administered by the Secretary of the Interior as a scenic river. . (b) Effect The amendment made by subsection (a) does not affect valid existing water rights. (c) Updates to land and resource management plans (1) In general Except as provided in paragraph (2), not later than 3 years after the date of enactment of this Act, the Secretary of Agriculture shall, with respect to the designations made under subsection (a) on lands under the jurisdiction of the Secretary, incorporate such designations into updated management plans for units of the National Forest System in accordance with applicable laws (including regulations). (2) Exception The date specified in paragraph (1) shall be 5 years after the date of enactment of this Act if the Secretary of Agriculture— (A) is unable to meet the requirement under that paragraph by the date specified in such paragraph