5.0
(1)
11
hikers
01:21
4.83km
100m
Hiking
The South Slough National Estuarine Research Reserve loop offers a fantastic opportunity to explore a dynamic estuarine environment where freshwater meets saltwater. You'll wander through lush Pacific Northwest forests, cross extensive boardwalks over marshy areas, and enjoy captivating views of the estuary and its open water channels. Keep an eye…
Last updated: June 9, 2026
Waypoints
Start point
Parking
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2.28 km
Highlight • River
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4.83 km
End point
Parking
Way Types & Surfaces
Way Types
4.76 km
< 100 m
< 100 m
Surfaces
4.76 km
< 100 m
< 100 m
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Elevation
Highest point (90 m)
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Weather
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Thursday 16 July
18°C
12°C
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Max wind speed: 14.0 km/h
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This route was planned by komoot.
The loop offers a diverse experience, transitioning from verdant Pacific Northwest forests with Douglas fir, cedar, and hemlock to sunlit marsh environs. You'll encounter a mix of dirt paths, gravel, woodchip trails, and extensive boardwalks, especially in wetland areas. The understory is lush with ferns, skunk cabbage, and rhododendrons, creating a unique atmosphere.
Yes, this loop is rated as easy and is generally suitable for beginners and families. The South Slough Reserve offers a range of trails, and while some are short, combining them creates a pleasant, manageable hike. Comfortable shoes are recommended, and some sections, like the Big Cedar Trail, are even wheelchair-accessible.
The reserve is a haven for diverse wildlife. Keep an eye out for black bears, elk, bobcats, and various salmon species. It's also an excellent spot for birdwatching, especially during winter when migratory ducks are present. Observation decks and boardwalks provide great vantage points for spotting animals without disturbing them.
The South Slough National Estuarine Research Reserve is beautiful year-round, but the best time often depends on your interests. Spring brings lush greenery and blooming rhododendrons, while fall offers vibrant colors. Winter is excellent for birdwatching due to migratory ducks. Summer provides generally milder weather for hiking. Dressing in layers is always a good idea due to rapidly changing coastal weather.
No, dogs are generally not permitted on the trails within the South Slough National Estuarine Research Reserve to protect the sensitive wildlife and habitats. It's best to leave your furry friends at home for this particular hike.
Absolutely! The trail offers views of the South Slough, salt marshes, and mudflats. You'll find numerous boardwalks and observation decks that allow you to experience the wetlands and estuary up close. One specific highlight along the route is the South Slough Inlet, offering scenic water views.
No, there are typically no permits or entrance fees required to access the trails at the South Slough National Estuarine Research Reserve. It's free to explore this important protected area.
Parking is available at the Interpretive Center, which serves as a primary access point for the reserve's trail network. From there, you can easily connect to various trails, including those that form this loop.
Yes, the route utilizes sections of several trails within the reserve. Specifically, it passes through parts of the Oregon Coast Scenic Bikeway, the Oregon Coast Trail, and the 10 Minute Trail, allowing you to experience different facets of the reserve's network.
Given the varied terrain and coastal weather, comfortable walking or hiking shoes are recommended. Dressing in layers is essential, as conditions can change quickly. Bring water, snacks, and consider binoculars for wildlife viewing. Insect repellent can also be useful, especially in marshier areas.
The reserve holds significant historical and ecological importance as the first National Estuarine Research Reserve established in the U.S. in 1974. It's a living laboratory protecting nearly 7,000 acres of diverse habitats, from forests to wetlands, making it a critical site for research, education, and stewardship of estuary environments.
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