Skip to main content
Marion Mountain and San Jacinto Round Valley Loop route map
Difficulty: ExpertLoop
California

Marion Mountain and San Jacinto Round Valley Loop

Idyllwild-Pine Cove, California

17.2 mi

Distance

6,978 ft

Elev. Gain

8h 35m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

Marion Mountain and San Jacinto Round Valley Loop is a loop trail in Riverside County, California. It is 17 miles long and gains 6,978 feet. The nearest town is Idyllwild-Pine Cove, California, about 1 mile away in a straight line.

From the trail data on this page. For conditions and closures, see official sources.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:1,990 ft
Max:3,276 ft
Gain:2,127 ft
Loss:2,127 ft
Elevation profileA line rising and falling between 1,990 ft and 3,276 ft across 17.2 mi along the route, drawn from start to end.1,990 ft2,419 ft2,847 ft3,276 ft0.0 mi4.3 mi8.6 mi12.9 mi17.2 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,990 ft
High point5.6 mi3,276 ft
End17.2 mi1,990 ft

Trail Details

Route Type
Loop

Permit required

Apply through the issuing agency. Many systems run seasonal lotteries or fixed application windows — confirm current dates on the agency page.

Get permit

Official sources & verification

Verify before you go

Reserve or permit

  • Apply for permit

    Required permit application for this trail. Many systems run seasonal lotteries or fixed application windows — confirm current dates here.

Where it is

Nearest town:
Idyllwild-Pine Cove, CA · about 1 mi away
County:
Riverside County, CA

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

Reviews

No reviews yet

Be the first to share your experience and help others plan their visit.

Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Nearby Trails

More trails near Marion Mountain and San Jacinto Round Valley Loop
Dark Canyon

Dark Canyon

3.9 mi
TrailDifficulty: Moderate

Stone Creek Trail

1.0 mi
TrailDifficulty: Easy
Sawmill Flats

Sawmill Flats

4.0 mi
TrailDifficulty: Moderate

Sawmill Flats Road

1.7 mi
TrailDifficulty: Easy

Seven Pines

1.2 mi
TrailDifficulty: Easy

Sawmill Flats Road

0.7 mi
TrailDifficulty: Easy

Stay nearby

Campgrounds near this trail

More campgrounds

Similar length

Similar trails in California

All California trails
Half Dome

Half Dome

California

14.2 mi4,800 ftgain
TrailDifficulty: Expert Permit
Mount Whitney Trail

Mount Whitney Trail

California

21.1 mi14,295 ftgain
TrailDifficulty: Expert Permit
Mount Shasta via Avalanche Gulch Route

Mount Shasta via Avalanche Gulch Route

California

10.3 mi7,159 ftgain
TrailDifficulty: Expert Permit
Clouds Rest

Clouds Rest

California

12.1 mi2,566 ftgain
TrailDifficulty: Difficult

Panorama Trail

California

11.1 mi2,907 ftgain
TrailDifficulty: Expert
Four Mile Trail

Four Mile Trail

California

9.6 mi3,199 ftgain
TrailDifficulty: Difficult
Spot an error in our data on Marion Mountain and San Jacinto Round Valley Loop?