▁the ▁other ▁two ▁bodies . ▁ ▁Federal ▁Spring ▁Branch ▁The ▁branch ▁is ▁about ▁approximately ▁two ▁miles ▁long , ▁and ▁starts ▁approximately ▁one ▁mile ▁to ▁the ▁west ▁of ▁Upper ▁Mar l bor o . ▁It ▁spl its ▁into ▁four ▁un named ▁ste ams , ▁that ▁join ▁together ▁later ▁on . ▁The ▁only ▁bridge ▁over ▁the ▁branch ▁is ▁Old ▁Mar l bor o ▁Pi ke , ▁or ▁Maryland ▁Route ▁ 7 2 5 . ▁ ▁School ▁House ▁P ond ▁School ▁House ▁P ond ▁is ▁a ▁small ▁p ond ▁north ▁of ▁Main ▁Street , ▁yet ▁south ▁of ▁Federal ▁Spring ▁Branch . ▁The ▁p ond ▁is ▁ 1 2 ▁acres ▁in ▁size , ▁with ▁a ▁ 0 . 7 5 ▁mile ▁board walk ▁around ▁the ▁edge . ▁There ▁is ▁also ▁a ▁walking ▁trail ▁through ▁the ▁small ▁for ested ▁area ▁north ▁of ▁the ▁p ond . ▁The ▁largest ▁att raction ▁at ▁the ▁p ond ▁is ▁fish ing . ▁The ▁p ond ▁is ▁rest ock ed ▁with ▁ 8 0 0 ▁tr out ▁a ▁year . ▁ ▁Western ▁Branch ▁Pat ux ent ▁River ▁The ▁Western ▁Branch ▁Pat ux ent ▁River ▁is ▁one ▁of ▁the ▁largest ▁trib ut aries ▁of ▁the ▁Pat ux ent ▁River . ▁Its ▁flow ▁starts ▁in ▁Wood more , ▁Maryland , ▁and ▁enters ▁the ▁Pat ux ent ▁River ▁just ▁a ▁few ▁miles ▁south ▁of ▁Upper ▁Mar l bor o . ▁The ▁river ' s ▁largest ▁trib ut ary ▁south ▁of ▁Upper ▁Mar l bor o ▁is ▁Col ling ton ▁Branch , ▁which ▁flows ▁into ▁the ▁Western