Upper Grand Prix (158)
Easy · FernOregon
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Add the first0.8 km0.5 mi
Distance
0 m0 ft
Elevation gain
10m
Est. time
Route
Route type
- Bikes allowed
What to expect on this trail
- Natural surface
- Steep
- Rolling
- Hiking
- Biking
How these were worked out
- Natural surfacerecorded
- OpenStreetMap records the surface of this trail as "unpaved". Source: OpenStreetMap, high confidence.
- Steepestimated
- Nine tenths of this trail is at or below a 27.4% grade, and its steepest climb reaches 0.0%. Source: DEM terrain profile, low confidence.
- Rollingestimated
- The grade varies by 9.8 percentage points along the route rather than climbing steadily. Source: DEM terrain profile, low confidence.
Biking is listed because the access rules record an explicit permission — see the bike section below for its authority. It is never inferred from the terrain.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
Upper Grand Prix (158) is a 0.8 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
- 66 m
- High point
- 523 m
- 90th percentile grade
- 27.4%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
allowed
The full route is mapped as a cycleway with no conflicting restriction.
Estimated MTB suitability
Difficult
53% confidence - score 63/100
- - Terrain: 27.4% 90th-percentile grade and 0 m climbing per km.
- - Surface: unpaved.
Source: OpenStreetMap route classification - 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.
Trails nearby
Other routes within about 15 km.
- 150 m away
Hybrid 140 Trail
Easy · FernOregon
2.99 km · 40m · ↑ 5 m
- 350 m away
Lower 8 Track (150)
Easy · FernOregon
2.90 km · 40m · ↑ 12 m
- 450 m away
Lower El Dorado
Easy · FernOregon
983 m · 20m · ↑ 57 m
- 500 m away
140 Trail
Moderate · AceOregon
3.81 km · 50m · ↑ 0 m
- 500 m away
100L Toilet Bowl
Easy · FernOregon
1.01 km · 20m · ↑ 72 m
- 500 m away
Seven Streams 100
Moderate · AceOregon
3.50 km · 1h 0m · ↑ 154 m
- 550 m away
150L The Boot
Easy · FernOregon
1.05 km · 15m · ↑ 22 m
- 550 m away
Spaghetti Factory (116)
Easy · FernOregon
2.62 km · 45m · ↑ 88 m
- 650 m away
Charley's Loop
Easy · FernOregon
1.16 km · 20m · ↑ 27 m
- 650 m away
Twin Peaks Loop
Easy · FernOregon
1.14 km · 20m · ↑ 25 m
- 700 m away
130 Hogs Back
Easy · FernOregon
579 m · 10m · ↑ 0 m
- 750 m away
Thee Way (101)
Easy · FernOregon
516 m · 5m · ↑ 0 m
Photos
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Frequently asked
How long is Upper Grand Prix (158)?
Upper Grand Prix (158) is 0.8 km (0.5 miles) as a route. Allow roughly 10m at a steady walking pace, not counting stops.
How hard is Upper Grand Prix (158)?
OpenTrail rates it easy. It climbs about 0 m overall, and its steepest sustained stretches run around 27%.
Where is Upper Grand Prix (158)?
Upper Grand Prix (158) is in Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Upper Grand Prix (158)?
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 Upper Grand Prix (158)?
Bicycles are permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.