The Middle Patuxent flows into the Little Patuxent just upstream from the historic Savage Mill in Savage .
The Little Patuxent River , the Middle Patuxent River , and the Western Branch are the three largest tributaries .
The Middle Patuxent flows into the Little Patuxent River   just upstream from the historic Savage Mill in Savage .
The Little Patuxent River , the Middle Patuxent River , and the Western Branch are the three largest tributaries .