<P> Promontory is an area of high ground in Box Elder County , Utah , 32 mi ( 51 km ) west of Brigham City and 66 mi ( 106 km ) northwest of Salt Lake City . Rising to an elevation of 4,902 feet ( 1,494 m ) above sea level , it lies to the north of the Promontory Mountains and the Great Salt Lake . It is notable as the location of Promontory Summit , where the First Transcontinental Railroad in the United States was officially completed on May 10 , 1869 . </P>
<P> Promontory is an area of high ground in Box Elder County , Utah , 32 mi ( 51 km ) west of Brigham City and 66 mi ( 106 km ) northwest of Salt Lake City . Rising to an elevation of 4,902 feet ( 1,494 m ) above sea level , it lies to the north of the Promontory Mountains and the Great Salt Lake . It is notable as the location of Promontory Summit , where the First Transcontinental Railroad in the United States was officially completed on May 10 , 1869 . </P>
where is promontory point utah on a map
where is promontory point utah on a map
in Box Elder County 32 mi ( 51 km ) west of Brigham City 66 mi ( 106 km ) northwest of Salt Lake City
in Box Elder County 32 mi ( 51 km ) west of Brigham City 66 mi ( 106 km ) northwest of Salt Lake City