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United States
California
Santa Clara County

Flat Frog Trail via Monument Trail loop

Moderate

3.5

(26)

88

runners

Flat Frog Trail via Monument Trail loop

00:52

6.53km

220m

Running

Jog the moderate 4.1-mile Flat Frog Trail via Monument Trail loop in Henry W. Coe State Park, featuring scenic vistas and Frog Lake.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Henry W. Coe State Park

Waypoints

A

Start point

Parking

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1

3.16 km

Flat Frog Trail

Highlight (Segment) • Trail

Flat Frog Trail is a nice and flat singletrack trail deep in Henry Coe State Park. This is a multi-use trail open to bikes, hikers, equestrians, and of course trail …

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B

6.53 km

End point

Parking

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Way Types & Surfaces

Way Types

4.27 km

2.23 km

< 100 m

Surfaces

4.27 km

2.23 km

< 100 m

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Elevation

Elevation

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Highest point (910 m)

Lowest point (730 m)

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Weather

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Sunday 24 May

20°C

8°C

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This route was planned by komoot.

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Frequently Asked Questions

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

The best times to jog this loop are during spring or fall. Henry W. Coe State Park can get very hot in the summer, making spring or fall ideal to avoid heat exhaustion and enjoy more comfortable temperatures. Spring also offers abundant wildflowers.

What is the terrain and difficulty like on the trail?

The loop offers varied terrain. The Flat Frog Trail portion is generally longer and has gentle grades, providing a smoother singletrack experience. In contrast, the Monument Trail is known for being short and steep, with a significant uphill effort if you start the loop in a clockwise direction. Overall, the trail is graded as moderate, but sections can feel strenuous.

Are there any notable landmarks or viewpoints along the route?

Yes, there are several points of interest. From the Monument Trail, you can enjoy great vistas of distant mountain ranges and the valley below. Near the top, you'll find the Henry W. Coe monument. The Flat Frog Trail and Hobbs Road are excellent for viewing spring wildflowers. You might also spot Frog Lake, a scenic forest lake known for its noisy frogs.

Does the trail intersect other well-known paths?

Yes, this loop incorporates several other paths. While primarily using the Flat Frog Trail and Monument Trail, the route also passes through sections of Hobbs Road, Fish Trail, Manzanita Point Road, and Corral Trail, among others.

Is the Flat Frog Trail via Monument Trail loop dog-friendly?

Information regarding dog policies for this specific trail within Henry W. Coe State Park is not explicitly provided. It's always best to check the official park regulations directly before bringing your dog to ensure compliance with leash laws and allowed areas.

Do I need a permit or pay an entrance fee for Henry W. Coe State Park?

Yes, Henry W. Coe State Park typically requires an entrance fee. For the most current information on fees and any potential permit requirements, it's recommended to visit the official California State Parks website: ca.gov.

What kind of wildlife might I see on this jogging route?

Along the route, you might observe various wildlife. Common sightings include quail, frogs (especially near Frog Lake), and woodpeckers. The diverse habitats, including bay tree and oak groves, provide homes for many species.

Where does the trail start and where can I park?

The loop is located within Henry W. Coe State Park. While specific parking details for this exact trailhead are not provided, visitors typically access trails from designated parking areas within the park. It's advisable to check the park's official website for detailed parking information and directions to the most suitable trailhead for this loop.

Is this loop suitable for beginner joggers?

While the overall difficulty is moderate, beginner joggers should be aware that the Monument Trail portion involves a significant and steep uphill climb, especially if done clockwise. The Flat Frog Trail offers gentler grades. Beginners should be prepared for challenging sections and consider their fitness level.

What is the strategic advantage of starting the loop in a particular direction?

If you prefer to tackle the steepest climb early on, starting the loop in a clockwise direction by ascending the Monument Trail first will get the most strenuous uphill effort out of the way. This allows for a more gradual descent and a generally smoother experience on the Flat Frog Trail.

What kind of scenery can I expect while jogging?

You can expect diverse and rewarding scenery. The climb on Monument Trail offers great vistas of distant mountains and the valley. The route passes through meadows, bay tree, and oak groves, with stands of large ponderosa pines near the ridge crest. The Flat Frog Trail and Hobbs Road are particularly scenic with abundant spring wildflowers.

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