YOU SAID:
The castle is over the hill and across the river
INTO JAPANESE
城は丘の上と川の向こう側にあります
BACK INTO ENGLISH
The castle is located on a hill and across the river
INTO JAPANESE
城は丘の上にあり、川の向こう側にあります
BACK INTO ENGLISH
The castle is located on a hill and across the river
That didn't even make that much sense in English.