Morton Arboretum / ArbNet

Rule Changes

Administers the ArbNet program and partnered with the Park District on applications

Clark Park, a 22-acre green space on the former Riverview Amusement Park site, is the Chicago Park District's second accredited arboretum. The ArbNet Level 1 designation, announced in October 2026 by the Clark Park Advisory Council, requires at least 25 tree species and public education programs.

Updated Oct 28