4.8
(537)
9,814
hikers
336
hikes
Hiking around Alto offers routes through a landscape of pine-covered mountains and alpine scenery. The region is part of the Lincoln National Forest, characterized by its mix of high-elevation forests and serene lakes like Alto Lake and Grindstone Lake. The trail network provides access to varied terrain, from lakeside paths to mountain ascents.
Last updated: May 12, 2026
7
hikers
16.6km
04:13
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
5.45km
01:22
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4
hikers
2.25km
00:34
10m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
23.0km
06:06
250m
200m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
1.80km
00:33
100m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Directly on the Golden Gate Bridge
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Information Center for the Golden Gate National Recreation Area, San Francisco city, and a plaza with Memorial to Joseph Strauss (chief designer of the Golden Gate Bridge, Artist: Frederick William Schweigardt 1885โ1948), restrooms, and drinking water fountains as well as maps.
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Joseph Strauss (chief designer of the Golden Gate Bridge) Memorial, San Francisco, California. Artist: Frederick William Schweigardt (1885โ1948)
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Viewpoint on SF
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Really nice spot to view the Golden Gate Bridge!
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This Fort Point is located at the southern beginning/end of the Golden Gate Bridge. The red brick fort was built between 1853 and 1861 to protect access to San Francisco Bay. So it is one of the first military buildings in the American West. Up to 500 soldiers and a total of 126 cannons were housed here and protected the entrance to the bay from there.
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This tidal sanctuary runs along the Mill Valley-Sausalito Pathway and the Charles F. McGlashan Pathway. More than 400 species of migratory birds rest here after their long flights, and if you pass through in the early morning or late evening, the sunrises and sunsets reflect beautifully on the surface of this 106-acre marsh.
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Yes, there's a wide variety of options. The Alto area features over 290 multi-use trails, with a good mix for all abilities: over 110 are rated as easy, around 150 are moderate, and more than 30 are considered difficult.
The trails in this region are highly regarded by the komoot community. With an average rating of 4.8 out of 5 stars from over 550 reviews, hikers frequently praise the stunning alpine scenery, serene lakes, and well-maintained paths through the Lincoln National Forest.
Absolutely. The Alto Lake Recreation Area is a great choice for families. It features a scenic 0.5-mile crushed-rock trail that circles the lake, which is perfect for a leisurely stroll. For a slightly longer but still easy walk, consider the Bob Middagh & Horse Hill Trail loop โ Horse Hill Open Space Preserve.
Yes, the Eagle Creek Trail at Alto Lake is well-known for its waterfalls. This one-mile out-and-back trail follows a creek, leading to a series of cascades that become a popular spot for cooling off in the summer.
Most trails in the Alto area, particularly those within the Lincoln National Forest and at Grindstone Lake, are dog-friendly. However, dogs are generally required to be on a leash. Always check the specific regulations for the trail you plan to hike before you go.
Alto offers year-round hiking, but the best time is typically from late spring to fall. Summer provides warm weather perfect for enjoying the lakes and waterfalls, while autumn brings pleasant temperatures and beautiful fall colors to the forests. Winter hiking is possible but requires preparation for snow and ice on the trails.
Yes, the region offers plenty of difficult terrain. For a strenuous day out with significant elevation gain, you could tackle the Dipsea Race Trail โ Muir Woods National Monument. Another challenging option is the 6.7-mile Grindstone Canyon Loop, which provides rewarding views of the lake and surrounding mountains.
For magnificent mountain views, the Cedar Creek Loop is a popular moderate hike. For a different perspective, the trails around Grindstone Lake offer scenic vistas of the water against the mountain backdrop. The majestic Sierra Blanca Peak provides a stunning backdrop throughout the region.
Yes, there are several excellent loop trails. The Homestead Hill loop via Dipsea Steps โ Muir Woods National Monument is a great moderate option. The Lower Cedar Creek Loop is a shorter, pleasant walk, while the full Cedar Creek Loop offers a more moderate 1.5-hour hike with great views.
For a day hike, you should always bring plenty of water, especially at high altitude. Also pack snacks, a map, sun protection (sunscreen, hat, sunglasses), and a light rain jacket, as mountain weather can change quickly. Sturdy hiking shoes are essential for the varied terrain.
The region's diverse ecosystems support a variety of wildlife. It's common to spot deer, elk, and various birds like blue herons and ospreys. If you're lucky, you might even see black bears or bald eagles, particularly around Grindstone Lake, which has a dedicated wildlife viewing platform.
Yes, Alto is a multi-sport destination. The 18 miles of trails at Grindstone Lake are open to hikers, mountain bikers, and horseback riders. Both Grindstone Lake and Alto Lake are regularly stocked with trout, catfish, and bass, making them popular spots for fishing before or after a hike.


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