From downtown Des Moines primarily along the east bank of the Des Moines River, the Neil Smith and John Pat Dorrian Trails are paved recreational trails that connect Gray's Lake northward to the east shore of Saylorville Lake, Big Creek State Park, and the recreational trails of Ankeny including the High Trestle Trail. These trails are near several recreational facilities including the Pete Crivaro Park, Principal Park, the Principal Riverwalk, the Greater Des Moines Botanical Garden, Union Park and its Heritage Carousel of Des Moines, Birdland Park and the Birdland Marina/Boatramp on the Des Moines River, Riverview Park, McHenry Park, and River Drive Park. Although outside of Des Moines, Jester Park has of land along the western shore of Saylorville Lake and can be reached from the Neil Smith Trail over the Saylorville Dam.