Nature Loop Trail
Easy · FernMarquam Nature Park, Oregon
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Add the first1.9 km1.2 mi
Distance
80 m262 ft
Elevation gain
35m
Est. time
Loop
Route type
- No bicycles
What to expect on this trail
- Natural surface
- Steep
- Rolling
- Hiking
How these were worked out
- Natural surfacerecorded
- OpenStreetMap records the surface of this trail as "ground". Source: OpenStreetMap, high confidence.
- Steepestimated
- Nine tenths of this trail is at or below a 17.1% grade, and its steepest climb reaches 21.0%. Source: DEM terrain profile, low confidence.
- Rollingestimated
- The grade varies by 12.0 percentage points along the route rather than climbing steadily. Source: DEM terrain profile, low 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.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
Nature Loop Trail is a 1.9 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
Loading forecast…
Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 74 m
- High point
- 162 m
- 90th percentile grade
- 17.1%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
prohibited
OpenStreetMap explicitly marks bicycle access as prohibited on at least one segment.
Estimated MTB suitability
Difficult
53% confidence - score 57/100
- - Terrain: 17.1% 90th-percentile grade and 42 m climbing per km.
- - Surface: ground.
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.
- 4T Trail21.4 km · 13.3 mi · Marquam Nature ParkHard · Ivy
- Marquam Trail7.6 km · 4.7 mi · Marquam Nature ParkModerate · Ace
- Towhee Trail1.9 km · 1.2 mi · Marquam Nature ParkEasy · Fern
- Sunnyside Trail0.9 km · 0.6 mi · Marquam Nature ParkEasy · Fern
- Connor Trail0.8 km · 0.5 miEasy · Fern
- Shadyside Trail0.6 km · 0.4 mi · Marquam Nature ParkEasy · Fern
Trails nearby
Other routes within about 15 km.
- 100 m away
Goose Hollow to Tryon Creek Trail
Hard · IvyOregon
16.90 km · 4h 30m · ↑ 425 m
- 500 m away
4T Trail
Easy · FernMarquam Nature Park, Oregon
2.13 km · 30m · ↑ 5 m
- 500 m away
North Macadam to Hamilton/Scholls Ferry
Hard · IvyOregon
10.89 km · 3h 0m · ↑ 352 m
- 650 m away
Council Crest Trail
Easy · FernCouncil Crest Park, Oregon
1.17 km · 20m · ↑ 40 m
- 700 m away
Towhee Trail
Easy · FernMarquam Nature Park, Oregon
869 m · 10m · ↑ 9 m
- 800 m away
Southwest Council Crest Drive
Easy · FernOregon
1.97 km · 30m · ↑ 28 m
- 800 m away
Flicker Trail
Easy · FernMarquam Nature Park, Oregon
1.14 km · 15m · ↑ 11 m
- 800 m away
Terwilliger Trail
Hard · IvyOregon
12.15 km · 3h 5m · ↑ 220 m
- 1.1 km away
Southwest Broadway
Easy · FernOregon
1.56 km · 20m · ↑ 0 m
- 1.2 km away
Washington Park to Lesser Park Trail
Hard · IvyGabriel Park, Oregon
14.13 km · 3h 45m · ↑ 382 m
- 1.2 km away
Warbler Trail
Easy · FernMarquam Nature Park, Oregon
551 m · 5m · ↑ 0 m
- 1.3 km away
Mac Trail
Easy · FernWashington Park, Oregon
1.20 km · 20m · ↑ 65 m
Photos
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Frequently asked
How long is Nature Loop Trail?
Nature Loop Trail is 1.9 km (1.2 miles) as a loop. Allow roughly 35m at a steady walking pace, not counting stops.
How hard is Nature Loop Trail?
OpenTrail rates it easy. It climbs about 80 m overall, and its steepest sustained stretches run around 17%.
Where is Nature Loop Trail?
Nature Loop Trail is in Marquam Nature Park, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Nature Loop 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 Nature Loop Trail?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.