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Routes
Hiking trails & Routes
United States
California
Marin County
Woodacre

Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop

Routes
Hiking trails & Routes
United States
California
Marin County
Woodacre

Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop

Moderate

2.8

(23)

51

hikers

Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop

02:25

7.89km

270m

Hiking

The Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop offers a dynamic hiking experience, combining historical paths with challenging climbs and panoramic vistas. This moderate 4.9-mile (7.9 km) route, featuring 875 feet (267 metres) of elevation gain, typically takes about 2 hours and 25 minutes to complete. You'll…

Last updated: June 9, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Loma Alta Open Space Preserve

Waypoints

A

Start point

Parking

Get Directions

1

270 m

White Hill Trailhead

Highlight • Trail

White Hill Trail crosses under Brown Bridge and then climbs steeply to link Loma Alta Preserve ( marincountyparks.org/parkspreserves/preserves/loma-alta ) with White Hill Preserve ( marincountyparks.org/parkspreserves/preserves/white-hill ), which further links up with Cascade Canyon Preserve, and Gary Giacomini Preserve.

Tip by

2

479 m

Enjoy heavenly Bay Area views, especially at sunrise and sunset: Here you can leave the gradual former railroad grade and take the extremely steep Sunrise Fire Road trail to the …

Tip by

3

4.63 km

Old Railroad Grade Trail

Highlight (Segment) • Trail

At 1592 feet, Loma Alta is one of the highest points in Marin. For a less strenuous excursion, from the lower Loma Alta Open Space Preserve entrance on the Fairfax …

Tip by

4

7.17 km

Baywood Canyon Trailhead

Highlight • Trail

Steep switchbacks single track to hike down into the canyon

Tip by

B

7.89 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

7.35 km

295 m

227 m

< 100 m

Surfaces

6.21 km

1.68 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (320 m)

Lowest point (80 m)

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Weather

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Today

Wednesday 22 July

23°C

15°C

0 %

Additional weather tips

Max wind speed: 18.0 km/h

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Frequently Asked Questions

Where can I park to access the Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop?

The loop can be accessed from several points within Loma Alta Open Space Preserve. A common starting point is the White Hill Trailhead, which typically offers parking. Another option is near the Baywood Canyon Trailhead. Parking availability can vary, especially on busy days.

Is this trail suitable for dogs?

Yes, dogs are generally permitted on trails within Loma Alta Open Space Preserve. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Please remember to pack out any waste.

What is the best time of year to hike this loop?

Spring is an excellent time to hike this loop, as the preserve comes alive with vibrant wildflowers like California poppies and lupines. The seasonal Fairfax Falls (Loma Alta Falls) also appears during the rainy season, typically in winter and spring. While beautiful, winter can bring mud and standing water to some sections of the trail. Clear days offer the best panoramic views.

Do I need a permit or pay an entrance fee to hike in Loma Alta Open Space Preserve?

No, there are no permits or entrance fees required to access the trails within Loma Alta Open Space Preserve, including the Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop. It is open to the public for recreational use.

What is the terrain like on the Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop?

The loop primarily follows wide fire roads, making it multi-use for hikers, mountain bikers, and sometimes horses. You'll encounter diverse terrain, including significant elevation changes with challenging climbs and steep sections, particularly on Glen Fire Road and Sunrise Fire Road. Old Railroad Grade Trail has varied sections, from nearly level to moderate climbs. Expect a mix of open grasslands, oak woodlands, and California bay woods.

What kind of views can I expect along the route?

This loop is renowned for its 'fabulous' and 'jaw-dropping' views. From various points, especially from ridges and the 1,592-foot summit of Loma Alta, you can see the Richmond/San Rafael Bridge, San Pedro Mountain, Pam's Blue Ridge, White Hill, and the dramatic profile of Mount Tamalpais. On clear days, the San Francisco skyline and even Mt. Diablo might be visible, with the golden light on the grassy hills often compared to Tuscany.

Does this trail intersect with other well-known paths?

Yes, this route is a key part of the Bay Area Ridge Trail system and utilizes sections of it. You will also find yourself on parts of the Sir Francis Drake Bike Route, Smith Ridge Fire Road, Sunrise Fire Road, Glen Fire Road, Baywood Canyon Trail, and White Hill Trail.

What should I bring for this hike?

Given the moderate difficulty and significant elevation changes, it's advisable to bring plenty of water, especially on warmer days, as there is no water available on the trail. Sturdy hiking shoes are recommended for the varied terrain. Sun protection (hat, sunscreen) is crucial due to exposed sections, and layers are good for changing weather. Don't forget your camera for the incredible views!

Are there any specific natural features or landmarks to look out for?

Beyond the panoramic views from the Loma Alta summit, keep an eye out for Fairfax Falls (also known as Loma Alta Falls) during the rainy season, a 25-foot cascading waterfall. You might also spot cattle grazing on the grassy slopes, a practice that dates back to the 1800s. The diverse vegetation, including broom, coyote brush, toyon, and coast live oak, adds to the natural beauty.

How long does it typically take to complete the Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop?

This moderate hike, covering approximately 7.9 kilometers (4.9 miles) with about 267 meters (876 feet) of elevation gain, typically takes around 2 hours and 25 minutes to complete. However, your actual duration may vary depending on your pace and how often you stop to enjoy the views.

Is the Old Railroad Grade, Glen Fire, Smith Ridge & Sunrise loop considered family-friendly?

While the trail is moderate and involves significant elevation changes and steep sections, making it require good fitness, it can be enjoyed by active families. The wide fire roads are generally easy to navigate. Consider the fitness level of all family members, especially younger children, before embarking on the full loop. Shorter sections might be more suitable for less experienced hikers.

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