Grotto Trail
Easy · FernJacksonville Forest Park, Oregon
No photos yet
Add the first1.9 km1.2 mi
Distance
62 m203 ft
Elevation gain
30m
Est. time
Route
Route type
- No bicycles
- 12 parking areas
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 21.1% grade, and its steepest climb reaches 28.4%. Source: DEM terrain profile, low confidence.
- Rollingestimated
- The grade varies by 13.2 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
Grotto 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
- 66 m
- High point
- 891 m
- 90th percentile grade
- 21.1%
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 65/100
- - Terrain: 21.1% 90th-percentile grade and 33 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.
- Halls of Manzanita Trail3.2 km · 2.0 mi · Jacksonville Forest ParkModerate · Ace
- Jackson Creek Bike Trail1.9 km · 1.2 mi · Jacksonville Forest ParkEasy · Fern
- Jackson Creek Nature Trail1.9 km · 1.2 mi · Jacksonville Forest ParkEasy · Fern
- Sofie's Trail1.4 km · 0.8 mi · Jacksonville Forest ParkEasy · Fern
Trails nearby
Other routes within about 15 km.
- less than 100 m away
Jackson Ridge Trail
Easy · FernJacksonville Forest Park, Oregon
2.02 km · 40m · ↑ 138 m
- 300 m away
Jackson Ck Fire
Easy · FernOregon
1.83 km · 25m · ↑ 27 m
- 350 m away
MRA Easement
Easy · FernJacksonville Forest Park, Oregon
657 m · 15m · ↑ 56 m
- 450 m away
Legburner Trail
Easy · FernJacksonville Forest Park, Oregon
1.17 km · 25m · ↑ 72 m
- 500 m away
Atsahu Trail
Moderate · AceJacksonville Forest Park, Oregon
3.21 km · 50m · ↑ 52 m
- 800 m away
Claimjumper Trail
Easy · FernJacksonville Forest Park, Oregon
1.04 km · 20m · ↑ 36 m
- 850 m away
Jackson Ridge Hiking Trail
Easy · FernJacksonville Forest Park, Oregon
1.31 km · 15m · ↑ 0 m
- 850 m away
Jackson Ridge Bike Trail
Easy · FernJacksonville Forest Park, Oregon
789 m · 20m · ↑ 72 m
- 900 m away
Arrowhead Pass Trail
Easy · FernJacksonville Forest Park, Oregon
1.55 km · 20m · ↑ 11 m
- 950 m away
Twister Bike Trail
Easy · FernJacksonville Forest Park, Oregon
1.25 km · 25m · ↑ 91 m
- 950 m away
Shade Creek Trail
Easy · FernJacksonville Forest Park, Oregon
994 m · 20m · ↑ 76 m
- 950 m away
Canyon Vista Trail
Easy · FernJacksonville Forest Park, Oregon
2.14 km · 35m · ↑ 53 m
Photos
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Frequently asked
How long is Grotto Trail?
Grotto Trail is 1.9 km (1.2 miles) as a route. Allow roughly 30m at a steady walking pace, not counting stops.
How hard is Grotto Trail?
OpenTrail rates it easy. It climbs about 62 m overall, and its steepest sustained stretches run around 21%.
Where is Grotto Trail?
Grotto Trail is in Jacksonville Forest Park, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Grotto Trail?
12 mapped parking areas sit within 1.5 km of the route. Parking comes from OpenStreetMap, so check the signage when you arrive.
Can you bike Grotto Trail?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.