King-Castle Trail #4326
Moderate · AceWillamette National Forest, Oregon
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Add the first6.3 km3.9 mi
Distance
517 m1696 ft
Elevation gain
2h 15m
Est. time
Route
Route type
- Bikes allowed
- 2 parking areas
What to expect on this trail
- Steep
- Sustained climb
- Hiking
- Biking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 19.0% grade, and its steepest climb reaches 31.9%. Source: DEM terrain profile, moderate confidence.
- Sustained climbestimated
- This trail gains 82 m of elevation per kilometre. Source: DEM terrain profile, moderate 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.
Ace's Active Trek A real workout with honest climbing — pack water and snacks.
About this trail
King-Castle Trail #4326 is a 6.3 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
- 31 m
- High point
- 882 m
- 90th percentile grade
- 19.0%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
allowed
Every imported segment carries an explicit bicycle permission.
Estimated MTB suitability
Moderate
35% confidence - score 47/100
- - Terrain: 19.0% 90th-percentile grade and 82 m climbing per km.
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.
Trails nearby
Other routes within about 15 km.
- 4.0 km away
O'Leary Mountain Trail #3321
Hard · IvyWillamette National Forest, Oregon
14.57 km · 5h 15m · ↑ 1200 m
- 4.4 km away
Echo Trail #3309
Moderate · AceWillamette National Forest, Oregon
3.59 km · 1h 15m · ↑ 253 m
- 4.7 km away
Delta Old Growth Nature Trail #3317
Easy · FernWillamette National Forest, Oregon
749 m · 10m · ↑ 0 m
- 5.7 km away
East Fork Trail #3308
Hard · IvyWillamette National Forest, Oregon
9.46 km · 3h 5m · ↑ 607 m
- 5.9 km away
Olallie Trail #3529
Hard · IvyThree Sisters Wilderness, Oregon
36.52 km · 10h 25m · ↑ 1400 m
- 7.1 km away
Lowder Mountain Trail #3329
Hard · IvyThree Sisters Wilderness, Oregon
15.97 km · 5h 55m · ↑ 1442 m
- 7.2 km away
McKenzie River Trail #3507
Hard · IvyWillamette National Forest, Oregon
40.15 km · 9h 55m · ↑ 594 m
- 7.5 km away
Wilelada Creek
Easy · FernWillamette National Forest, Oregon
843 m · 20m · ↑ 67 m
- 8.7 km away
Lookout Creek Old Growth Trail
Moderate · AceH J Andrews Experimental Forest, Oregon
5.47 km · 1h 55m · ↑ 400 m
- 8.7 km away
Walker Creek Trail #3330
Hard · IvyThree Sisters Wilderness, Oregon
10.62 km · 3h 0m · ↑ 365 m
- 9.4 km away
Terwilliger Hot Springs Trail
Easy · FernWillamette National Forest, Oregon
721 m · 15m · ↑ 32 m
- 11.1 km away
Saddle Trail #3326
Moderate · AceWillamette National Forest, Oregon
3.16 km · 1h 25m · ↑ 443 m
Photos
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Frequently asked
How long is King-Castle Trail #4326?
King-Castle Trail #4326 is 6.3 km (3.9 miles) as a route. Allow roughly 2h 15m at a steady walking pace, not counting stops.
How hard is King-Castle Trail #4326?
OpenTrail rates it moderate. It climbs about 517 m overall, and its steepest sustained stretches run around 19%.
Where is King-Castle Trail #4326?
King-Castle Trail #4326 is in Willamette National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at King-Castle Trail #4326?
2 mapped parking areas sit within 1.5 km of the route, the nearest being King Castle Trailhead. Parking comes from OpenStreetMap, so check the signage when you arrive.
Can you bike King-Castle Trail #4326?
Bicycles are permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.