Notable road closures in the Santa Cruz Mountains and beyond

Highway 17 work at Summit Road overpass following the Loma Prieta Earthquake in 1989.


Since this is the season for road closures, I thought I’d list all that I can remember over the past four decades.

Highland Way – Too many years to list them all. It’s closed every few years due to mudslides, and a couple of times due to forest fires. Around 2000 it was closed for months. We had the road to ourselves, but clambering over a vertical slope wasn’t my idea of fun.

Old La Honda Road (west) – Closed in 2017 and now. That’s all I can remember. When it was dirt, until 1986, I don’t recall any closures.

Hwy 84 Niles Canyon – In 1983 it was closed for a short time after a mudslide. We rode through and enjoyed this beautiful canyon minus cars.

Mt. Hamilton Road – It was closed in early 2017 for several months due to storm damage just before the summit of the first climb about a mile before Grant Ranch Park. When there’s a heavy snow the road is closed briefly. It didn’t used to be that way. In the mid 1980s the authorities started closing the road at Grant Ranch County Park.

Skyline Boulevard – 2016 just southeast of Castle Rock State Park, and now two miles east of Page Mill Road. The 2016 closure lasted nearly a year. Heavy rains washed out the road.

Gazos Creek Road – Not a car road since the 1960s, but in 1982 one mile of dirt road washed away from heavy rains. We were there on our bikes. Epic ride.

Summit Road – After the 1989 Loma Prieta Earthquake, Summit Road had issues with broken pavement. I don’t recall if the Hwy 17 overpass was closed, but there was some activity on the highway after landslides.

Alpine Road (east) – Starting in the mid-1980s the road had major slides from plugged culverts, mostly. San Mateo County stopped maintaining the road in 1990 and today is in the process of officially abandoning the road after nearly 130 years. Alpine Road west of Skyline has had very brief closures.

Pescadero Creek Road – Closed briefly March 4, 1983, to clean up a mudslide near Loma Mar Store.

Highway 84 between Woodside and Skyline Boulevard – Every few years a tree will fall and in the 1980s and 1990s the road had mudslides that closed it temporarily. Highway 84 west of Skyline had a few brief closures in the 1980s after mudslides a couple of miles east of La Honda.

Highway 9 (north) – It has closed for brief periods over the years, 2017 and 1983 for sure. Mudslides and downed trees are cleaned up quickly since the road has lots of traffic. Of course, snow sometimes closes the road, along with Skyline Boulevard.

Redwood Lodge Road – Closed in 2016 after the road washed away near Laurel. Still not repaired.

Schulties Road – Closed in 2016 after a section of road washed out near Laurel. Still not repaired.

San Jose – Soquel Road – Closed near Amaya Ridge Road for months in 2017 after heavy winter rains.

Zayante Road – Closed briefly at the upper end in 2017 due to mudslides.

Bear Creek Road – Closed in 2017 due to mudslides and repairs.

Highway 236 – Closed in 1982 due to mudslides.

Mountain Charlie Road – Closed for a few weeks in 2017 to fix a slide.

Calaveras Road – I only mention it because it’s a vital route for the 100-mile Mt. Hamilton loop ride. It was closed in 2016 due to mudslides and ongoing dam construction issues, finally opening a month or so ago. The road also had a washout/closure in 1986 at a creek that runs into Calaveras Reservoir. We had fun riding on the closed road.

Roads that haven’t closed, as I recall, include Page Mill, Montebello, Kings Mountain, Tunitas Creek. Old La Honda Road (east) might be on the short list as well. I don’t have a record of riding there when it was closed.

2 Responses to “Notable road closures in the Santa Cruz Mountains and beyond”

  1. Mike Buncic Says:

    Not weather related but the infamous Bear Gulch fiasco

  2. Stefan Eberle Says:

    Hwy 84 Niles Canyon will have a stroll & roll day again this year. Looks like they do it every other year now. Date to be announced, probably September/October 2019 based on previous editions. https://www.84strollroll.com/

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