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WalkBikeMarin is an initiative by the County of Marin to help make Marin more healthy, livable, and environmentally sustainable by encouraging walking and bicycling as everyday transportation. This initiative was catalyzed by a recent $25 million federal grant to fund the Nonmotorized Transportation Pilot Program (NTPP). The goal of the WalkBikeMarin website is to provide information about all the County’s bicycle and pedestrian projects and programs in one place. For more information on the NTPP see the About the Project page.
Recent News
WalkBike Profile: Celia Graterol, Mill Valley
Celia Graterol photoOccupation:
Mountain bike tour guide and teacher

How often do you ride your bicycle?
Usually 5 days a week, about 50-70 off road miles, and about 30-40 road miles commuting to meeting in San Francisco and around Marin.

When and why did you start riding a bike regularly?
About 8 years, I needed to get in shape and lose weight so I started to commute to San Francisco on my road bike. Over a couple of years I lost about 50 pounds, and along the way I fell in love with cycling and mountain biking.

What are your reasons for bicycling?
Mountain Biking provides me with the opportunity to enjoy the gorgeous Marin outdoors, exercise and experience the adrenaline rush when riding challenging singletracks. After a good mountain bike ride I am relaxed, filled with joy and love for life.

What would help you to bike more often?
Opening all the old train system tunnels in Marin so there is a flat way separated from cars to road ride from Sausalito all the way to Novato. And opening more off-road singletrack trails, in particular in Mt. Tam where all singletracks but one (Coastal View trail) are closed to bikes.

view past profiles >

What's New

HORSE HILL PATH PAVING CLOSURES October, 2016 ~ Caltrans is repaving the Horse Hill path (Bike Route 5 between Corte Madera and Mill Valley) the week of October 17.  The path will be closed one day for pavement grinding and another for repaving work, during daytime hours.  During these times the path will be closed to all users.  Once the paving is fully cured (approximately one week) it will be restriped.  Alternate routes are either over Camino Alto/Corte Madara Ave or via Tiburon Blvd/Trestle Glen/Paradise Drive. 

UPPER CORTE MADERA CREEK PATH IMPROVMENTS COMPLETED August,2016 ~ The Upper Corte Madera Creek Path, between College of Marin and Ross, has reopened after an extensive reconstruction project.  The new path is wider with improved sight lines to accomodate additional users from its increased popularity and provides better visibility and safety from removal of overgrown vegetation. Have a look at the latest improvements to the Cross Marin Trail corridor!  


July 12, 2016. The draft feasibility study evaluates if a multi-use path, along with railroad and roadway facilities, can fit within the available public right-of-way along the Sonoma Marin Area Rail Transit corridor from Rice Drive to 2nd Street in San Rafael.  To review the draft Study document and concepts, visit the Projects page under Active Planning Studies. You can also learn more and provide input at a public presentation during a San Rafael City Council Special Study Session on July 18, 2016 at 5:00p. San Rafael City Hall 1400 Fifth Ave. San Rafael, CA (Agenda


June, 2014 ~ The final report analyzing the outcomes of the Nonmotorized Transportation Pilot Program has been released.  It shows that bicycling and walking have increased by 65.5% and 19.9%, respectively, since 2007.  Get more information on the NTPP's outcomes by dowloading the full report. 



See the Events Calendar for other upcoming events.

Did You Know?
The modern bicycle, complete with a steel frame, a chain drive, steel wheels and spokes, and pneumatic tires, was developed in the 1880s.


Marin County Safe Routes to School