Nature Reserves

Gilbert Ridge Natural Area Map

Location: 45.4764645, -122.5118214 Located in outer Southeast Portland, Gilbert Ridge Natural Area is a small but ecologically important patch of forested green space. Tucked within a residential neighborhood, it offers a peaceful escape with...

Maricara Natural Area Map

Location: 45.4491193, -122.7050839 Maricara Natural Area is a modest-sized woodland preserve in North Portland maintained by the Portland Parks & Recreation Habitat Program. It contains mixed Douglas fir and cedar stands, interspersed with alder...

Cottonwood Creek Natural Area Map

Location: 45.4643353, -122.5641886 Located near Johnson Creek in Southeast Portland, Cottonwood Creek Natural Area spans wooded riparian land along Cottonwood Creek. It features natural footpaths and native plant restoration zones. The area improves water...

Alder Ridge Natural Area Map

Location: 45.5561527, -122.7830043 Serving as a natural corridor in Southeast Portland, Alder Ridge Natural Area includes mixed hardwood forest, walking paths, and partial trail links to other neighborhood greenways. The area is notable for...

Collins Sanctuary Map

Location: 45.5265425, -122.7366571 Collins Sanctuary is a smaller wetlands sanctuary located in North Portland, managed by local environmental nonprofit groups. It preserves seasonally flooded woodland and provides stormwater habitat. Paths and informational signage offer...

Pittock Bird Sanctuary Map

Location: 45.5284373, -122.7323464 Tags: – access: permissive – boundary: protected_area – landuse: forest – leisure: nature_reserve – name: Pittock Bird Sanctuary – operator: Audubon Society of Portland – protect_class: 4

Foster Floodplain Natural Area Map

Location: 45.4740551, -122.5526665 Located near Foster Road in Southeast Portland, Foster Floodplain Natural Area protects wetland habitat adjacent to Johnson Creek. The reserve includes interpretive trails, boardwalks, and restored riparian vegetation. Historically subject to...

Marquam Trail Map

Location: 45.5059425, -122.7158343 Marquam Nature Park, also known informally as the Marquam Trail area, encompasses over 200 acres of the West Hills. The trail system includes Forest Park connections and a marked, steep route...

Loll Wildwood Natural Area Map

Location: 45.443968, -122.7173581 Loll Wildwood Natural Area is an expansive greenspace within Forest Park’s western section. Covering around 500 acres, it features rugged terrain, dense forest, and steep ravines, accessible via the Wildwood Trail....

Pittock Acres Park Map

Location: 45.5237365, -122.717245 Pittock Acres Park is a historic, multi-use park atop West Portland’s West Hills. It surrounds the Pittock Mansion and covers nearly 56 acres, combining manicured gardens, natural forest, and stunning viewpoints....