Columbia Slough Trail
Hard · IvyOregon
No photos yet
Add the first18.1 km11.3 mi
Distance
17 m56 ft
Elevation gain
4h 5m
Est. time
Route
Route type
- Wheelchair accessible
- Bikes: conditions apply
What to expect on this trail
- Paved
- Gently graded
- Mostly flat
- Hiking
- Running
How these were worked out
- Pavedrecorded
- OpenStreetMap records the surface of this trail as "paved". Source: OpenStreetMap, high confidence.
- Gently gradedestimated
- Nine tenths of this trail is at or below a 2.2% grade, so the climbing is easy going throughout. Source: DEM terrain profile, high confidence.
- Mostly flatestimated
- It gains 1 m per kilometre, and 95% of it sits under a 2.9% grade. Source: DEM terrain profile, moderate confidence.
Biking is not listed. That means no explicit permission is recorded, which is not the same as a prohibition — see the bike section below.
Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.
About this trail
Columbia Slough Trail is a 18.1 km trail in Oregon. Route imported from OpenStreetMap (© OpenStreetMap contributors, ODbL); community descriptions, photos, and condition reports welcome.
Play the route
Fly the trail end to end, with the climb as it comes.
Conditions
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Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 5 m
- High point
- 13 m
- 90th percentile grade
- 2.2%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
conditional
Bicycle permission is explicit on part of the route; remaining segments are undocumented.
Confirm access on undocumented segments before riding.
Estimated MTB suitability
Easy
68% confidence - score 16/100
- - Terrain: 2.2% 90th-percentile grade and 1 m climbing per km.
- - Surface: paved.
- - Smoothness: intermediate.
Source: Explicit OpenStreetMap access tags - OpenStreetMap contributors - checked Aug 2, 2026 - rules v2
View access evidencePosted signs and current land-manager closures always override OpenTrail.
Report incorrect bike access
Connecting trails
Trails whose path meets this one — plan a longer route or a loop.
- Marine Drive Trail30.8 km · 19.1 miHard · Ivy
- I-205 Multi-Use Path28.8 km · 17.9 miHard · Ivy
- Peninsula Crossing Trail6.7 km · 4.1 miModerate · Ace
- Marine Drive Trail3.7 km · 2.3 miModerate · Ace
- Rivergate Trail2.2 km · 1.4 mi · Smith and Bybee Wetlands Natural AreaEasy · Fern
- Kelley Point Park Trail1.8 km · 1.1 mi · Kelley Point ParkEasy · Fern
- Alderwood Trail1.6 km · 1.0 miEasy · Fern
- Northeast 82nd Avenue1.0 km · 0.6 miEasy · Fern
- Peninsula Crossing Trail1.0 km · 0.6 miEasy · Fern
- Alderwood Trail0.9 km · 0.6 miEasy · Fern
- Northeast Alderwood Road0.7 km · 0.4 miEasy · Fern
- Northeast 82nd Avenue0.5 km · 0.3 miEasy · Fern
Trails nearby
Other routes within about 15 km.
- 1.9 km away
Marine Drive Trail
Easy · FernOregon
2.42 km · 30m · ↑ 0 m
- 2.8 km away
Frenchmans Bar Trail
Moderate · AceOregon
4.55 km · 1h 0m · ↑ 0 m
- 3.8 km away
North Portland Greenway Trail
Moderate · AceOregon
5.05 km · 1h 10m · ↑ 16 m
- 3.9 km away
Interlakes Trail
Easy · FernSmith and Bybee Wetlands Natural Area, Oregon
1.10 km · 15m · ↑ 0 m
- 4.1 km away
Wapato Bridge
Easy · FernOregon
756 m · 10m · ↑ 17 m
- 4.4 km away
BPA Offshoot
Easy · FernForest Park, Oregon
1.10 km · 15m · ↑ 21 m
- 5.1 km away
Water Tank Access Track
Easy · FernForest Park, Oregon
554 m · 5m · ↑ 0 m
- 5.2 km away
North Hayden Island Drive
Easy · FernOregon
948 m · 15m · ↑ 0 m
- 5.2 km away
Linnton Park Trail
Easy · FernLinnton Park, Oregon
1.14 km · 15m · ↑ 0 m
- 5.2 km away
North Trail
Easy · FernOregon
1.57 km · 20m · ↑ 0 m
- 5.4 km away
Wildwood Trail
Hard · IvyForest Park, Oregon
46.58 km · 11h 40m · ↑ 791 m
- 5.8 km away
Peninsula Crossing Trail
Easy · FernOregon
832 m · 10m · ↑ 0 m
Photos
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Frequently asked
How long is Columbia Slough Trail?
Columbia Slough Trail is 18.1 km (11.3 miles) as a route. Allow roughly 4h 5m at a steady walking pace, not counting stops.
How hard is Columbia Slough Trail?
OpenTrail rates it hard. It climbs about 17 m overall, and its steepest sustained stretches run around 2%.
Where is Columbia Slough Trail?
Columbia Slough Trail is in Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Columbia Slough Trail?
No parking area is mapped within 1.5 km of this route in OpenStreetMap. That is not the same as there being none — check local access rules before you go.
Can you bike Columbia Slough Trail?
Bicycle access is conditional, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.
Is Columbia Slough Trail wheelchair accessible?
Columbia Slough Trail is mapped as wheelchair accessible.