Cedar Roughs Wilderness
Cedar Roughs Wilderness
5.0
(6)
82
hikers
8
hikes
Hiking in Cedar Roughs Wilderness offers a rugged and solitary experience across 6,287 acres in California's Napa area. The landscape features a diverse composition of woodlands, grasslands, and canyons. Approximately 3,000 acres are covered by a dense Sargent's Cypress forest, contributing to the area's unique character. Serpentine grasslands and oak woodlands are also present, providing varied terrain for exploration.
Last updated: May 11, 2026
5.0
(1)
5
hikers
10.6km
03:08
340m
250m
Hike the moderate 6.6-mile Conn Peak via Alta Hennessey and Shoreline Loop for panoramic lake views and diverse terrain in Moore Creek Park.
5.0
(3)
19
hikers
11.2km
03:03
170m
170m
Hike the moderate 7.0-mile Lake Hennessey Shoreline and Alta Hennessey Loop Trail for lake views and panoramic mountain scenery.

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28
hikers
12.0km
03:31
340m
340m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
8.14km
02:20
190m
190m
Hike the Conn Peak and Shoreline Trail in Moore Creek Park for moderate terrain, panoramic lake views, and vibrant spring wildflowers.
5.0
(1)
9
hikers
4.43km
01:14
90m
90m
Easy 2.7-mile loop in Napa Valley's Moore Creek Park, offering views of Lake Hennessey and a chance to spot Sam the Eagle.
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Popular around Cedar Roughs Wilderness
As I'm sure you have guessed, this trail travels higher on the hillside to avoid Moore Creek, meaning you avoid some water crossings and as such have dry feet.
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Lake Hennessey is a reservoir located in the Vaca Mountains, in the Napa County Regional Park. During a walk It's very pleasant to take a break and relax by the lake.
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Cedar Roughs Wilderness offers a diverse landscape, including woodlands, grasslands, and canyons. A significant portion is covered by dense Sargent's Cypress forests, alongside serpentine grasslands and oak woodlands. The terrain is generally rugged, providing a true wilderness experience.
Within the main wilderness area, there are generally no marked trails, encouraging off-trail navigation for experienced hikers seeking solitude. However, there is a specific 'Cedar Roughs Trail' providing access to the northern section, and the 2.5-mile 'Smittle Creek Trail' connects the Oak Shores and Smittle Creek day-use areas on the western side of Lake Berryessa, offering a more traditional hiking option.
The wilderness is known for its rugged and challenging nature, especially for off-trail exploration. However, komoot users have rated routes from easy to moderate. For example, the View of Lake Hennessey – Resting place with bench loop from Lake Hennessey is considered easy, while routes like the Lake Hennessey Loop — Napa County Regional Park are moderate.
Yes, parking and access points for those venturing into Cedar Roughs Wilderness can be found along the western banks of Lake Berryessa. It's advisable to plan your access point based on your intended hiking route.
No, permits are not generally required for hiking in Cedar Roughs Wilderness. The area is managed by the California Department of Fish and Game and the Bureau of Land Management, and it is open for public access for activities like hiking and primitive camping.
While specific regulations for dogs are not explicitly stated for the entire wilderness, it's generally recommended to keep dogs on a leash to protect wildlife and ensure a safe experience for all visitors. Always practice Leave No Trace principles, including packing out pet waste.
For families, the 2.5-mile Smittle Creek Trail near Lake Berryessa offers a more traditional and potentially less strenuous option compared to the off-trail exploration within the main wilderness. Additionally, komoot lists an easy route, the View of Lake Hennessey – Resting place with bench loop from Lake Hennessey, which is about 2.7 miles long.
The diverse habitats in Cedar Roughs Wilderness support a variety of wildlife. Hikers may spot bobcats, gray foxes, and raccoons. Birdwatchers can look for golden eagles, wrentits, yellow-rumped warblers, and acorn woodpeckers.
Yes, several popular routes in the vicinity of Cedar Roughs Wilderness are circular. Examples include the Dry Foot Trail loop from Saint Helena, which offers varied terrain, and the Conn Peak – View of Lake Hennessey loop from Lake Hennessey.
The Cedar Roughs Wilderness can be enjoyed year-round. However, spring and fall generally offer the most pleasant hiking conditions with milder temperatures. Summers can be hot, and creek crossings, particularly on the Cedar Roughs Trail, can be challenging or impossible during high water in winter or after heavy rains.
Its uniqueness stems from the extensive Sargent's Cypress forest, the opportunity for true off-trail wilderness exploration, and the solitude it offers. It's a place for hikers seeking a rugged experience away from crowded paths, with diverse landscapes including serpentine grasslands and oak woodlands.
While the wilderness itself is the main attraction, it is situated near Lake Berryessa, the largest lake in Napa County. Lake Berryessa offers additional recreational activities such as swimming, fishing, and boating, making it a popular hub to visit before or after your hike.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the quiet, rugged nature of the wilderness, the diverse landscapes, and the opportunity for solitude and off-trail exploration.


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