Simplify the following text for a Grade 9 native English-speaking person.
Original: 4709 m. \/ 15,450 ft. ) or the nearby Kilik Pass ( 4,827 m or 15,837 ft ( 4,827 m ) high ; 37 Â 05 ' N ; 74 Â 41 ' E ) , 30 km to the west , were , in ancient times , the two main access points into the Upper Hunza Valley from the north .
Simplified: 4709 m. \/ 15,450 ft. ) is a mountain pass in the Karakorum Mountains , between Pakistan and Xinjiang in China . The Mintaka Pass and the nearby Kilik Pass ( 4,827 m or 15837 f high ; 37 Â 05 ' N ; 74 Â 41 ' E ) , 30 km to the west , were , in ancient times , the two main access points into the Upper Hunza Valley from the north .