4.8
(6)
34
riders
7
rides
Gravel biking around Los Altos offers diverse landscapes, from rolling hills to varied topography, providing a range of challenges and scenic views. The region features significant elevation gains, particularly around natural features like Stevens Creek Reservoir and the Santa Cruz Mountains. Riders can explore unpaved roads and trails, including sections of Redwood Gulch and Montebello Road, alongside more moderate paths near the San Francisco Bay Trail.
Last updated: October 23, 2026
4
riders
49.6km
04:01
810m
810m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(2)
9
riders
Easy gravel ride. Mostly paved surfaces.

5.0
(1)
5
riders
69.8km
05:29
810m
810m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
4.0
(1)
4
riders
56.2km
03:03
390m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
3
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
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If it hasn't rained, the waterfall itself is dry and you only see the large amount of limestone it has left here - that too is quite impressive. Obviously, a little water still flows underground, because the basin below the waterfall was filled and some water also flowed in the small stream down to the Ebro.
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The waterfall looks magically beautiful, widening as it cascades over the limestone basins. From the bridge at the foot of the waterfall, you can look into the large lower basins, where the water has a turquoise-blue color. The scene could also fit well into a fantasy film, at the center of a valley of fairies or elves. Light was very good for taking photos in the late morning. If, however, you arrive only in the early evening, the sun is above the waterfall and is blinding - but then the large basins on the other side of the bridge at the foot of the waterfall are particularly beautiful.
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Lermilla, with a spectacular rest area!
0
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Spectacular area for hiking routes
0
0
The waterfall springs from the Cueva del Agua from a height of over 20 meters, at the base of the rocky cirque that embraces the village, originating from an aquifer located in the subsoil of the Páramo de Bricia, and it leaps everywhere, dividing the village into two halves, the Villa and the Puebla, and descends among the stone houses, creating a most photogenic scene.
2
0
A spectacular area for hiking trails
0
0
carry water, but go to a village to the fountain and if possible don't go on a very sunny day...
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0
There are 5 gravel bike trails available around Los Altos, offering a diverse range of experiences for riders. These routes are highly rated by the komoot community, with an average score of 4.7 stars.
Gravel biking around Los Altos is characterized by rolling hills and varied topography, providing a mix of challenges and scenic views. You'll encounter significant elevation gains, particularly around natural features like Stevens Creek Reservoir and the Santa Cruz Mountains. Some routes, like the one featuring Gravel route through the upper Ebro, offer extensive riding through these varied landscapes.
Yes, there is an easy gravel route suitable for families or those new to gravel biking. The Natural Rock Arch of Puentedey – Puentedey loop from Villarcayo de Merindad de Castilla la Vieja is a 23.9 km trail with minimal elevation gain, making it a great choice for a more relaxed ride.
The gravel trails around Los Altos cater to various skill levels. You'll find 1 easy route, 1 moderate route, and 3 difficult routes. For instance, the Trespaderne – Oña Historic Town Center loop from Villarcayo de Merindad de Castilla la Vieja is a challenging 70.6 km path, while the Poza de la Sal – Red Rock Valley loop from Poza de la Sal offers a moderate experience.
Absolutely. Many routes offer stunning views of the Santa Cruz Mountains. Additionally, you can explore areas like the Redwood Grove Nature Preserve for tranquil escapes. For specific natural landmarks, consider routes that pass near highlights such as the Orbaneja del Castillo Rock Formations or the Turquoise Pools and Waterfalls of Orbaneja del Castillo.
Yes, the region boasts several beautiful waterfalls. You can find highlights like the Tobazo Waterfall, Tubilla Waterfall, and Tubilla del Agua Waterfalls. One route, the Hoz de Orbaneja del Castillo – El Tobazo Waterfall loop from Parque Natural Hoces del Alto Ebro y Rudrón, specifically features a waterfall.
Yes, all the gravel biking routes listed for Los Altos are designed as loops, allowing you to start and end at the same point. Examples include the Gravel route through the upper Ebro and the Trespaderne – Oña Historic Town Center loop from Villarcayo de Merindad de Castilla la Vieja.
The komoot community rates the gravel biking experience in Los Altos highly, with an average score of 4.7 stars. Riders often praise the diverse landscapes, from challenging rolling hills to scenic views of the Santa Cruz Mountains, and the variety of routes catering to different fitness levels.
Beyond gravel biking, Los Altos offers a variety of outdoor attractions. You can explore Rancho San Antonio County Park and Open Space Preserve for hiking and wildlife spotting, or visit Hidden Villa for an organic farm experience and nature walks. Local parks like Grant Park and Shoup Park also provide pleasant retreats.
Los Altos generally offers pleasant weather for outdoor activities for much of the year. While specific seasonal advice for gravel biking isn't detailed, the mild California climate typically makes spring and fall ideal for riding, with comfortable temperatures and vibrant natural scenery. Summer can be warm, and winters are generally mild but may bring some rain.


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