Lost Lake Trail Planning track for the NPS-mapped Lost Lake loop from Roosevelt Lodge, past Lost Lake and the Petrified Tree area. Separate segments preserve short gaps in the official source centerline. 2026-08-14T00:00:00Z Official NPS trail page and map Lost Lake Trail Generalized planning geometry; mapped length 2.87 miles; official NPS map Carto IDs 148414, 108119, 108115, 108120, 108113, 108116. 1935.0 1935.0 1968.0 1968.0 1968.0 1968.0 1968.0 1968.0 2009.0 1968.0 1968.0 1968.0 1968.0 1968.0 1968.0 2009.0 2009.0 2009.0 2009.0 2009.0 2009.0 2009.0 2009.0 2009.0 2009.0 2039.0 2039.0 2039.0 2039.0 2039.0 2039.0 2039.0 2039.0 2039.0 2054.0 2039.0 2054.0 2054.0 2054.0 2054.0 2054.0 2054.0 2054.0 2062.0 2062.0 2062.0 2082.0 2082.0 2082.0 2054.0 2054.0 2054.0 2054.0 2054.0 2057.0 2057.0 2057.0 2057.0 2053.0 2066.0 2068.0 2068.0 2068.0 2068.0 2068.0 2110.0 2058.0 2058.0 2058.0 2049.0 2049.0 2049.0 2049.0 2049.0 2049.0 2049.0 2049.0 2097.0 2097.0 2097.0 2097.0 2105.0 2105.0 2101.0 2101.0 2090.0 2090.0 2090.0 2061.0 2061.0 2061.0 2032.0 2032.0 2032.0 2032.0 2032.0 2032.0 2032.0 2020.0 2020.0 1971.0 1971.0 1971.0 1971.0 1971.0 1981.0 1981.0 1981.0 1981.0 1981.0 1981.0 1981.0 1981.0 1952.0 1952.0 1952.0 1952.0 1927.0 1952.0 1952.0