Simplify the following text for a Grade 7 native English-speaking person.
Original: Saint-Just is the southernmost village of the department , located on the shore of the RhÃ ne River , between the DrÃ me and the Gard departments .
Simplified: Saint-Just is in the south of the ArdÃ che dÃ partement , found on the shore of the RhÃ ne River , between the DrÃ me and the Gard dÃ partement .