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Alto

Horse Hill Bike Path

Highlight (Segment) • Cycleway

Horse Hill Bike Path

Road cycling

5.0

(18)

Cycling

5.0

(11)

Mountain biking

5.0

(4)

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  • Location: Alto, Marin County, California, United States

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    September 3, 2020

    Mountain biking

    Paved bike trail along the Highway 101 corridor, lowest crossing of Horse Hill between Mill Valley and Corte Madera

    August 10, 2023

    Mountain biking

    There are, indeed, horses on this hill. Connector path between Mill Valley and Corte Madera, easier than Camino alto. The alto tunnel is still closed, learn more here: openaltotunnel.org

    January 31, 2017

    Road cycling

    Horse Hill (Alto Hill) bike trail segment hugs Hwy 101's west side to cross this steep ridge between Mill Valley and Corte Madera, the slightly less tedious option instead of double the elevation difference on Camino Alto. It was freshly repaved in 12/2016. The Alto Tunnel (a rail tunnel closed in the 1970s) conversion that would connect the Mill Valley bike trails to the south and north is still not planned or financed. openaltotunnel.org/faq2
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    Moderate
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    Embark on the Sir Francis Drake and Cross Marin Trail Loop, a moderate road cycling adventure spanning 41.7 miles (67.1 km) with a total elevation gain of 2311 feet (704 metres). You can expect to complete this route in about 3 hours and 11 minutes. The journey begins with the serene Cross Marin Trail, winding through cool redwood groves and streamside woodlands alongside Lagunitas Creek, offering a peaceful start before transitioning to the more open vistas of Sir Francis Drake Boulevard, where you might catch glimpses of Tomales Bay.

    This loop is situated within Samuel P. Taylor State Park, making it easy to find restrooms along the Cross Marin Trail section. While the Cross Marin Trail offers smooth riding, be aware that parts of Sir Francis Drake Boulevard can have varying road conditions and traffic, so plan your ride carefully for comfort and safety. Connections between the two main sections are clearly marked, such as at Platform Bridge Road, ensuring a straightforward transition.

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    Moderate
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    Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

    Hard

    Details

    Informations

    Distance 674 m

    Uphill 20 m

    Downhill 10 m

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    Thursday 14 May

    25°C

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    Location: Alto, Marin County, California, United States

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