Trails
The Alder Island Nature Trail is a short (0.6 mile), easy walking trail that winds along the Siletz River and Millport Slough.
The surface is natural soils and gravel. It's open from sunrise to sunset and is a wonderful place to look for songbirds and waterfowl.
Access the trailhead by turning east off of U.S. Highway 101 onto Millport Slough Lane and into the refuge parking lot.
Dogs are prohibited on the nature trail.
- Typical Grade: 2.2%
- Max Grade: 11.7%
- Route type: Lollipop
- Surface: Asphalt, Gravel, and Soil
- Typical width: 42 inches
- Minimum width: 27 inches
- Typical cross slope: 2.8%
- Max cross slope: 12.6%
- Bench location: 0.37 mi along the trail
Keys Nature Trail
- Length: 0.11 mi
- Typical Grade: 2.6%
- Max Grade: 16.3%
- Route type: Loop
- Surface: Duff and Vegetation
- Typical width: 34 inches
- Minimum width: 26 inches
- Typical cross slope: 4.1%
- Max cross slope: 8.1%
- Bench locations: No Benches
Millport Slough Access Trail
- Length: 0.07 mi
- Typical Grade: 17.6%
- Max Grade: 26.3%
- Route type: Out and back
- Surface: Duff
- Typical width: 33 inches
- Minimum width: 32 inches
- Typical cross slope: 4.1%
- Max cross slope: 12.7%
- Bench locations: No benches