- Protecting a natural legacy Eden Prairie / Minnetonka, Minnesota For the public good Join in | Events | Issues | News | Tour the Woods | Speak Out | Archive Welcome A NATURAL SANCTUARY IS SAVED FROM THE BULLDOZERS Twenty minutes southwest of downtown Minneapolis, Minnesota, in Eden Prairie, woodpecker tapping and loon calls echo as kids amble along a trail. They are in the Birch Island Woods.www.birchislandwoods.org