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Routes
Hiking trails & Routes
United States
California
Sonoma County
Santa Rosa

Rough Go Trail Loop via Canyon Trail

Moderate

4.5

(4060)

9,271

hikers

Rough Go Trail Loop via Canyon Trail

02:23

8.47km

170m

Hiking

Embark on the Rough Go Trail Loop via Canyon Trail for a moderate hiking experience through Trione-Annadel State Park. You will cover 5.3 miles (8.5 km) and gain 566 feet (173 metres) in elevation, typically taking around 2 hours and 22 minutes to complete. The route offers a diverse landscape,…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

5.33 km

Lake Ilsanjo

Highlight • Lake

Very pretty lake in the middle of Annadel State Park, great for a swim on a hot day. Access is best from Lake Trail with a small beach on the north-west side.

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2

5.55 km

Lake Ilsanjo

Highlight • Lake

Lake Ilsanjo is a small quiet lake near the top of Canyon trail. A hidden gem for a break or a swim. It is much quieter than Santa Rosa Reservoir …

Tip by

B

8.47 km

End point

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Way Types & Surfaces

Way Types

3.75 km

2.54 km

2.17 km

Surfaces

5.45 km

1.01 km

971 m

870 m

144 m

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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 (260 m)

Lowest point (100 m)

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Weather

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Tuesday 26 May

21°C

9°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is the Rough Go Trail Loop via Canyon Trail?

This loop is considered moderate overall, but the Rough Go Trail section itself is quite challenging and technical. It's often described as "Hard" for hiking due to steep sections, significant rocks, and roots. Hikers should be prepared for varied terrain, including rocky, technical sections with embedded boulders and loose rock, as well as smoother singletrack. It's not recommended for beginners.

What is the terrain like on this trail?

The terrain is demanding and varied. You'll encounter rocky, technical sections with both embedded boulders and loose rock, ranging from small pebbles to larger "baby heads." There are also smoother, flowy sections of well-drained singletrack. The trail is known for being "super chunky" with many individual rocks, and it can become slick and muddy after rain, requiring careful footing.

How long does it typically take to hike the Rough Go Trail Loop via Canyon Trail?

The full loop, covering approximately 8.5 kilometers (5.3 miles), generally takes around 2 hours and 20 minutes to complete. However, this can vary based on your pace, the weather conditions, and how much time you spend enjoying the views.

What natural features and viewpoints can I expect along the route?

You'll enjoy diverse scenery, including wooded areas, open meadows, and scenic ridgelines. A notable highlight is Lake Ilsanjo, which the trail passes by. From a bench located about halfway through the uphill climb to the lake, you can also enjoy views of Santa Rosa and Bennett Valley.

Does this trail intersect with other paths in Trione-Annadel State Park?

Yes, the route incorporates sections of several other trails within Trione-Annadel State Park. You'll hike along parts of the Bay Area Ridge Trail - 01 - North Bay, Rough-Go Trail, Spring Creek Trail, Canyon Trail, and Lake Trail, allowing for customized route options.

Where can I park to access the Rough Go Trail Loop via Canyon Trail?

The Rough Go Trail Loop via Canyon Trail is located within Trione-Annadel State Park. You can typically find parking at the main park entrances or designated trailheads within the park. Check the official Trione-Annadel State Park website for specific parking lot locations and any potential fees.

Is the Rough Go Trail Loop via Canyon Trail dog-friendly?

Regulations for dogs can vary within Trione-Annadel State Park. It's best to check the official park website or signage at the trailhead for the most current rules regarding dogs, including leash requirements and permitted areas, before you visit.

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

The trail's character can change significantly with the seasons. While enjoyable year-round, spring offers lush greenery and wildflowers, and fall provides cooler temperatures. Be aware that the trail can be muddy and slippery after rain, especially in winter, making for a more challenging experience. Summer can be hot, so an early start is advisable.

Are there any permits or entrance fees required for Trione-Annadel State Park?

Trione-Annadel State Park may have day-use fees or parking fees. It's recommended to check the official California State Parks website (ca.gov) or the park's specific page for the most up-to-date information on any required permits or entrance fees before your visit.

What should I wear and bring for this hike?

Given the technical and rocky terrain, sturdy hiking boots with good ankle support are essential. Layers are recommended as conditions can change. Bring plenty of water, especially on warmer days, and snacks. Trekking poles can be very helpful for stability on the uneven sections and descents. Always carry a map or use a reliable navigation app like komoot.

Is the Rough Go Trail Loop via Canyon Trail suitable for families with young children?

Due to its challenging and technical nature, with steep sections and significant rocks and roots, this trail is generally not recommended for families with young children or those new to hiking. It's considered a difficult hike that requires careful footing and a good level of fitness.

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