Nob Hill Nature Park

Nob Hill Nature Park is a 6-acre oak woodland located in St. Helens, Oregon, 30 miles (48 km) north of Portland, Oregon. Situated on a basalt bluff, it overlooks the Columbia River, at the point where Multnomah Channel joins the Columbia. Notable flora include white oak trees, as well as native wildflowers such as camas, trillium, iris, and larkspur. A variety of invasive species are also present, including blackberry, English ivy, Lunaria, vinca, mullein, thistle, and tansy.