Alum Rock is a region in the foothills of the Diablo Range, primarily known for Alum Rock Park, one of California's oldest municipal parks. This area features rugged canyons, lush woodlands, and the tranquil Penitencia Creek, offering a diverse landscape for outdoor pursuits. Elevations range from 600 to 1,300 feet, providing varied terrain with diverse vegetation including oaks, sycamores, and maples. This varied landscape supports several sports like hiking, touring cycling, jogging, road cycling, and more.
62
Routes
4.4
(51)
Average rating
1407
People visited

231
riders
30.7km
03:09
1,330m
180m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
121
riders
68.0km
05:05
1,680m
1,680m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

62
riders
29.1km
02:08
630m
630m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

30
riders
16.5km
01:53
540m
540m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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3
hikers
2.13km
00:33
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

1
hikers
6.44km
02:12
530m
10m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

1
hikers
2.84km
00:43
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.3
(7)
74
hikers
11.6km
03:20
280m
280m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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1
riders
5.35km
00:33
130m
130m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

5.0
(5)
33
riders
17.5km
01:53
510m
510m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(3)
25
riders
30.9km
03:02
830m
830m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.3
(3)
17
riders
22.4km
02:38
800m
800m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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1
runners
4.86km
00:36
80m
80m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

1
runners
2.78km
00:21
90m
90m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
34
runners
17.8km
02:03
350m
350m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

22
runners
14.6km
01:39
230m
230m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(1)
158
riders
98.3km
05:40
2,260m
2,260m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

3.0
(1)
65
riders
33.2km
01:51
640m
640m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(5)
37
riders
17.1km
01:57
180m
180m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

24
riders
40.4km
02:29
820m
820m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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6
riders
34.7km
02:35
750m
760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

7
riders
11.8km
00:51
160m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

15
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(1)
4
riders
40.8km
03:09
940m
940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Alum Rock Park offers a range of outdoor activities including hiking, touring cycling, jogging, road cycling, mountain biking, and gravel biking. The park features diverse landscapes suitable for various skill levels.
Alum Rock Park is known for its rugged canyons, lush woodlands, and Penitencia Creek. It also features historic mineral springs and intricate stone grottos, remnants of its past as a health resort. Higher elevations provide panoramic views of the Santa Clara Valley.
Yes, Alum Rock Park offers trails suitable for beginners and families, such as easy walks along the Creek Trail. For more options, refer to the komoot guide on Easy hikes around Alum Rock.
Alum Rock Park features 13 miles (21 km) of trails, ranging from gentle paths to more strenuous climbs like the Sycamore Switchbacks Trail. Hikers can find detailed information and routes in the komoot guide for Hiking around Alum Rock.
Yes, Alum Rock Park accommodates various cycling activities including touring cycling, road cycling, mountain biking, and gravel biking. Routes navigate diverse landscapes and elevation changes. Specific guides are available for Cycling around Alum Rock and Road Cycling Routes around Alum Rock.
Alum Rock Park offers trails suitable for mountain biking. The park's varied terrain provides options for different skill levels. For specific routes and details, consult the komoot guide on MTB Trails around Alum Rock.
Information regarding dog policies in Alum Rock Park is typically available on the official park website or at park entrances. Visitors should check current regulations before bringing pets to ensure compliance with local rules.
Public transportation options to Alum Rock Park, such as VTA bus routes, are available. Visitors should check the Santa Clara Valley Transportation Authority (VTA) website for current routes and schedules to the park's vicinity.
Generally, permits are not required for general hiking in Alum Rock Park. However, visitors should verify current regulations for specific activities or group events by checking the official City of San José Parks and Recreation website.
Alum Rock Park features elevations ranging from approximately 600 feet (183 meters) to 1,300 feet (396 meters). This variation provides trails with diverse difficulty levels, from gentle paths to more strenuous climbs.
Key points of interest include the historic mineral springs and grottos, which date back to the late 19th century. Eagle Rock offers expansive views of the Santa Clara Valley. The Youth and Science Institute also features exhibits of local animals.
Alum Rock is a popular destination on komoot, with more than 8,000 visitors having shared their experiences. The region's routes have an average rating of 4.58 out of 5 stars, indicating high user satisfaction.
Komoot offers several guides for Alum Rock, including Hiking around Alum Rock, Cycling around Alum Rock, and Running Trails around Alum Rock. There are also guides for specific cycling types like mountain biking and gravel biking.
Alum Rock Park is managed by the City of San José Parks and Recreation department. Information can be found on their website, specifically at sanjoseca.gov. For general inquiries, the Alum Rock Youth Center, located within the park, can be reached at (408) 535-3570.

