Terwilliger Trail
Hard · IvyOregon
No photos yet
Add the first12.2 km7.5 mi
Distance
220 m722 ft
Elevation gain
3h 5m
Est. time
Route
Route type
- Bikes: conditions apply
What to expect on this trail
- Paved
- Moderate climbs
- Hiking
- Running
How these were worked out
- Pavedrecorded
- OpenStreetMap records the surface of this trail as "paved". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 9.2% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high 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
Terwilliger Trail is a 12.2 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
- 182 m
- High point
- 152 m
- 90th percentile grade
- 9.2%
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
53% confidence - score 23/100
- - Terrain: 9.2% 90th-percentile grade and 18 m climbing per km.
- - Surface: paved.
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
- Red Electric Trail11.6 km · 7.2 miHard · Ivy
- North Macadam to Hamilton/Scholls Ferry10.9 km · 6.8 miHard · Ivy
- Willamette Park to Multnomah/ Garden Home10.1 km · 6.3 miHard · Ivy
- Lewis & Clark College to Metzger Park Trail10.0 km · 6.2 miHard · Ivy
- Marquam Trail7.6 km · 4.7 mi · Marquam Nature ParkModerate · Ace
- Stephens Creek Trail6.3 km · 3.9 miModerate · Ace
- North Horse Loop2.6 km · 1.6 mi · Tryon Creek State Natural AreaEasy · Fern
- Terwilliger Trail2.1 km · 1.3 mi · Tryon Creek State Natural AreaEasy · Fern
- Iron Mountain Trail1.7 km · 1.0 mi · Tryon Creek State Natural AreaEasy · Fern
- Terwilliger Trail1.6 km · 1.0 mi · Southwest Terwilliger Boulevard ParkwayEasy · Fern
- Lewis & Clark Trail1.2 km · 0.8 mi · Tryon Creek State Natural AreaEasy · Fern
- Terwilliger Trail1.2 km · 0.7 mi · Duniway ParkEasy · Fern
- Terwilliger Trail1.1 km · 0.7 mi · Tryon Creek State Natural AreaEasy · Fern
- George Himes Trail0.8 km · 0.5 mi · George Himes ParkEasy · Fern
Trails nearby
Other routes within about 15 km.
- 250 m away
Kincade Curlicue Corridor
Easy · FernOregon
886 m · 10m · ↑ 0 m
- 350 m away
Willamette Greenway Trail
Hard · IvyGeorge Rogers Park, Oregon
38.01 km · 8h 45m · ↑ 181 m
- 650 m away
William Stafford Pathway
Easy · FernRoehr Park, Oregon
1.68 km · 25m · ↑ 5 m
- 700 m away
Willamette Greenway
Moderate · AceOregon
5.89 km · 1h 20m · ↑ 7 m
- 1.2 km away
Hillsdale to Lake Oswego Trail
Moderate · AceTryon Creek State Natural Area, Oregon
7.48 km · 1h 55m · ↑ 146 m
- 1.2 km away
Goose Hollow to Tryon Creek Trail
Hard · IvyOregon
16.90 km · 4h 30m · ↑ 425 m
- 1.3 km away
South Creek Trail
Easy · FernTryon Creek State Natural Area, Oregon
557 m · 10m · ↑ 5 m
- 1.5 km away
Trolley Trail
Hard · IvyOregon
12.19 km · 2h 50m · ↑ 55 m
- 1.7 km away
Red Fox Trail
Easy · FernTryon Creek State Natural Area, Oregon
612 m · 10m · ↑ 15 m
- 1.7 km away
Cedar Trail
Easy · FernTryon Creek State Natural Area, Oregon
1.43 km · 20m · ↑ 19 m
- 1.9 km away
Old Main Trail
Easy · FernTryon Creek State Natural Area, Oregon
888 m · 10m · ↑ 0 m
- 2.0 km away
Middle Creek Trail
Easy · FernTryon Creek State Natural Area, Oregon
803 m · 10m · ↑ 17 m
Photos
Location metadata is stripped from uploads automatically. New photos are reviewed by a moderator before they appear publicly.
No photos yet.
Reviews
Create a free account to review this trail.
Frequently asked
How long is Terwilliger Trail?
Terwilliger Trail is 12.2 km (7.5 miles) as a route. Allow roughly 3h 5m at a steady walking pace, not counting stops.
How hard is Terwilliger Trail?
OpenTrail rates it hard. It climbs about 220 m overall, and its steepest sustained stretches run around 9%.
Where is Terwilliger Trail?
Terwilliger 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 Terwilliger 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 Terwilliger Trail?
Bicycle access is conditional, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.