ORH + Headlands route

Name: ORH + Headlands
Address: Mill Valley, CA
Rating: 5

near Mill Valley, CA

36.5 miles

Distance

6,581 ft

Climb

-6,572 ft

Descent

1,793 ft

High Point

9 ft

Altitude change

35 ft

Altitude min

272 ft

Altitude start

282 ft

Altitude end

-144.5%

Grade max

70.6%

Grade min

19 miles

Distance climb

17 miles

Distance down

4,603 ft

Distance flat

A cross country route that gives terrain to build both fitness and skills.

Detailed Description

ORH + Headlands is a 37 mile popular intermediate route located near Mill Valley California. This mountain bike only route can be used one direction and has a hard overall physical rating. This route includes 25 trails. This route climbs 6,581 ft with a max elevation of 1,793 ft then descends -6,572 ft.

Trail Issues on Route

Closed: 1 trail (newest: Apr 8, 2026)
Minor Issue / Yellow: 1 trail (newest: Nov 10, 2025)

Local Trail Association

Marin Trail Stewards (marintrailstewards.org)

Please consider joining or donating to the local riding association to support trail development & maintenance.

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Trail Products

Marin County Bicycle Map
Map

Stats

Distance

37 miles
Avg time

5 hr 15 min
Altitude min

35 ft
Altitude start

272 ft
Altitude end

282 ft
Climb

1 mile
Descent

-6,572 ft
Grade max

-144.5%
Grade min

70.6%
Distance climb

19 miles
Distance down

17 miles
Distance flat

4,603 ft

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Trails in Route

	Old Railroad Grade				5 miles
	Old Stage				2 miles
	Coastal Fire Road				3,179 ft
	Coast View Trail				3 miles
	Coastal (Muir Beach - Coyote Ridge)				2,844 ft
	Coyote Ridge				4,544 ft
	Coastal (Tennessee Valley - Muir Beach)				1 mile
	Old Springs Trail				1 mile
	Miwok Trail				1 mile
	Coastal Trail (Conzelman/Bunker)				2 miles
	Slacker Ridge Trail				4,633 ft
	Coastal Trail (Conzelman/Bunker)				2 miles
	Bobcat Trail				2 miles
	Marincello Trail				2 miles
	Miwok Trail				5,279 ft
	Miwok Road				4,344 ft
	Coyote Ridge				1 mile
	Dias Ridge Trail				3 miles
	Dias Ridge Trail (from Panoramic Highway)				2,595 ft
	Tenderfoot				4,892 ft

Details

Riding area

Mount Tamalpais State Park
Primary Activity

Mountain Bike
Difficulty rating

Blue
Route Type

Loop
Bike type

XC
Direction

One Direction
Physical rating

Hard

Distance (Trails & Routes)

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Collections

Trail Conditions

1 Day
1 Week
1 Month
All Time

Unknown
Snow Groomed
Snow Packed
Snow Covered
Snow Cover Partial
Freeze/thaw Cycle
Icy
Prevalent Mud
Wet
Variable
Ideal
Dry
Very Dry

Trail Flow (Ridden Direction)

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> 96%
> 90%
> 80%
> 70%
> 50%
< 50%
bi-directional trail
no data

Trail Last Ridden

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< 2 days
< 1 week
< 2 weeks
< 1 month
< 6 months
> 6 months

Trail Ridden Direction

The intended direction a trail should be ridden.

Downhill Only
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Both Directions
Uphill Primary
Uphill Only
One Direction

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Trail Popularity ?

Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.

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ATV/ORV/OHV Filter

ATV - 50 inches
OHV, SxS - 60 inches
Jeep - 72 inches

Max Vehicle Width

inches

Ridelog Year

Radar Time

Activity Recordings

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mountain biking recent
mountain biking (>6 month)
hiking (1 year)
moto (1 year)

Activity Recordings

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Downhill Ski
Backcountry Ski
Nordic Ski
Snowmobile

Winter Trails

Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.

trail	date	description
Marincello Trail	Jun 3, 2026 @ 6:20pm (America/Los_Angeles) Jun 3, 2026
Miwok Road	May 30, 2026 @ 1:24pm (America/Los_Angeles) May 30, 2026
Tenderfoot	May 21, 2026 @ 4:46pm (America/Los_Angeles) May 21, 2026
Coastal Fire Road	May 21, 2026 @ 4:46pm (America/Los_Angeles) May 21, 2026
Coast View Trail	May 4, 2026 @ 10:19am (America/Los_Angeles) May 4, 2026	They did a bunch of work to widen it and make it more accessible as a “multi use trail” - no more ruts so that’s a plus, but it’s no longer single track.