▁the ▁rav ine ▁along ▁Brook lyn ▁Avenue ▁NE ▁and ▁a ▁small ▁wet land ▁in ▁the ▁north west ▁corner , ▁at ▁NE ▁ 6 2 nd ▁Street . ▁In ▁ 2 0 0 6 , ▁a ▁section ▁of ▁R aven na ▁Creek ▁through ▁the ▁sout he astern ▁end ▁of ▁the ▁park ▁was ▁day light ed , ▁having ▁formerly ▁flow ed ▁into ▁a ▁storm ▁d rain . ▁The ▁par ks ▁are ▁crossed ▁from ▁north ▁to ▁south ▁by ▁the ▁Cow en ▁Park ▁Bridge , ▁on ▁ 1 5 th ▁Avenue ▁N ortheast ▁on ▁the ▁boundary ▁between ▁the ▁two ▁par ks , ▁and ▁the ▁ 2 0 th ▁Avenue ▁N ortheast ▁Bridge ▁( also ▁known ▁as ▁the ▁R aven na ▁Park ▁Bridge ), ▁closed ▁to ▁motor ized ▁traffic ▁since ▁ 1 9 7 5 . ▁Both ▁brid ges ▁are ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places . ▁There ▁is ▁also ▁a ▁rail ▁trail ▁along ▁the ▁southern ▁edge ▁of ▁the ▁park ▁where ▁David ▁Den ny ' s ▁R aven na ▁street car ▁line ▁once ▁ran . ▁ ▁R aven na ▁Park ▁ ▁R aven na ▁Park ▁is ▁a ▁ ▁wood ed ▁rav ine ▁which ▁connect s ▁two ▁pic nic ▁areas ▁just ▁north ▁of ▁the ▁University ▁District . ▁The ▁park ▁is ▁open ▁to ▁h ik ers , ▁jog gers , ▁b ik ers , ▁and ▁pic nick ers . ▁The ▁park ▁also ▁features ▁a ▁play ▁area ▁for ▁children , ▁a ▁w ading ▁pool , ▁ball field , ▁tra ils , ▁and ▁tennis ▁courts . ▁ ▁Flora ▁The ▁par ks