Trinity Grade  Bike Climb - PJAMM Cycling

3.7
FIETS
2.9 mi
DISTANCE
1,359 ft
GAINED
8.9 %
AVG. GRADE

FULL CLIMB STATS

INTRO

Trinity West is the #9 ranked bike climb in Sonoma County. This is a favorite climb for local cyclists and is one of the few connectors between Napa and Sonoma Counties. The views are not spectacular, but the climb is challenging and generally a steady 6-10% from start to finish. The finish of this climb is at the intersection of Cavedale and Trinity Roads at the Mayacamas Volunteer Fire Station where there is normally water and a cycling pump - it is "cyclist friendly." [Thank you MVFD!].
Gain 1,360' in 2.9 miles at 8.9% with 0 descent. 30% of the climb is at 10-15%, and 2% is at 15-20%.  The steepest quarter-mile is 13.8%.

See more details and tools regarding this climb's grade via the “Profile Tool” button.
Roadway:  Double lane rural road with a center stripe, no shoulder and rough pavement in many spots. 

Traffic:  Mild to moderate.

Parking:  We normally park at Dunbar School across Highway 12, 1.3 miles northwest when we do climbs in this area - MapStreet View
Provisions:  Water at Mayacamas Fire Station at climb finish - MapStreet View.  Or, at the wonderful Glen Ellen Village Market 1.7 miles south (Map). 
Before heading out on any cycling adventure check out our Things to Bring on a Cycling Trip and use our interactive check list to ensure you don't forget anything.
If you have travelled to Sonoma County (see PJAMM's Sonoma County climb page) to cycle or have any questions concerning cycling in the North Bay, you are welcome to contact me at john@pjammcycling.com with your questions about the area.  I grew up and live in Sonoma and have good knowledge of cycling in this region.
 
Use the “Routes in Area” button on the menu bar to see other bike climbs in this area.

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CLIMB SUMMARY

Cycling Sonoma County - Trinity Road - pjamm cyclist at finish - fire station

Volunteer Firehouse is the finish of the Trinity West climb.

Trinity West ranks #12 on the Tri-County Top 25 list, with Fiets Index of 3.67. This is a favorite climb for local cyclists and is one of the few connectors between Napa and Sonoma Counties.  The views are not spectacular, but the climb is challenging and generally a steady 6-10% from start to finish.   The finish of this climb is at the intersection of Cavedale and Trinity Roads at the Mayacamas Volunteer Fire Station, where there is normally water and a cycling pump -- it is "cyclist friendly" (Thank you MVFD!).

Cycling Sonoma County - Trinity Road - aerial drone view of Sonoma Valley

Start is just east of Highway 12.

 

Cycling Sonoma County - Trinity Road - road signs at start of climb

Fair warning . . .

   

. . . but, seems like a bit of overkill . . .

Just past the start -- May 17, 2020.

bike climb Cycling Sonoma County - Trinity Road - cyclist riding bike on road past statues

climbing Trinity Road by bike - cyclist on road riding past loose gravel sign

Beware on the descent.

One of the most dangerous in the county.

Cycling Sonoma County - Trinity Road - aerial drone view of Sonoma Valley and Mt. Tamalpais.

Aerial drone photo south across Sonoma Valley to Mt. Tam (photo upper middle).

Finish.

Cycling Trinity Road - finish - cyclist at fire station

Finish at the firehouse . . .

. . . the intersection of Cavedale and Trinity Roads.

Water and tools at the intersection.

TOUR OF CALIFORNIA: TRINITY ROAD

Trinity Grade has been featured twice in the Tour of California:

  • 2007, Stage 2
  • Santa Rosa to Sacramento (western approach)
  • 95.2 miles, 5,672’
  • Stage winner:  Levi Leipheimer (USA)

  • 2010, Stage 2
  • Davis to Santa Rosa (eastern approach)
  • 111.9 miles, 8,486’
  • Stage winner:  Brett Lancaster (AUS)

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That’s a wrap!