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Castle Rock State Park

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Camping & Lodging

Castle Rock Trail Camp can be accessed by the bike-friendly Service Road Trail.

Recommended Routes in Castle Rock State Park - 1

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Favorite The blue mountains of Santa Cruz!
Intermediate Intermediate

Castle Rock Loop

3.6 mi 5.8 km 658' Up 200.45 m Up 692' Down 210.96 m Down

Monte S…, CA
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Castle Rock State Park Running

  • 23 Miles 36 Kilometers of Trail
  • 1 Recommended Route
  • 2 Easy Trails Easy Trails
  • 9 Intermediate Trails Intermediate Trails
  • 0 Difficult Trails Difficult Trails
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Trails in Castle Rock State Park - 10

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0.7 mi 1.2 km #1Castle Rock Trail
Intermediate Intermediate
Monte Sereno, CA
Intermediate Intermediate
Monte Sereno, CA
4.1 mi 6.6 km #2Saratoga Gap Trail
Intermediate Intermediate
Monte Sereno, CA
Intermediate Intermediate
Monte Sereno, CA
1.7 mi 2.7 km #3Ridge Trail
Intermediate Intermediate
Monte Sereno, CA
Intermediate Intermediate
Monte Sereno, CA
2.1 mi 3.3 km #4Travertine Springs Trail
Intermediate Intermediate
Saratoga, CA
Intermediate Intermediate
Saratoga, CA
6.2 mi 9.9 km #5Skyline Trail
Easy/Intermediate Easy/Intermediate
Monte Sereno, CA
Easy/Intermediate Easy/Intermediate
Monte Sereno, CA
6.2 mi 9.9 km #6Bay Area Ridge Trail: Sanborn County Park and Castle Rock Stat…
Intermediate Intermediate
Monte Sereno, CA
Intermediate Intermediate
Monte Sereno, CA
1.2 mi 1.9 km #7Summit Rock Loop Trail
Intermediate Intermediate
Monte Sereno, CA
Intermediate Intermediate
Monte Sereno, CA

Photos of Castle Rock State Park - 14

Trail Run Project is built by runners like you. Add Your Photos

One of many views from the Castle Rock Loop.
Dec 21, 2015 near Monte S…, CA
The blue mountains of Santa Cruz!
Jan 22, 2016 near Monte S…, CA
View from the crest of John Nicholas Trail.
Oct 13, 2016 near Monte S…, CA
Beautiful valley view
Nov 11, 2019 near Monte S…, CA
View from a bend in Sanborn Trail. The trail changes from a fire road to a hiking trail at this point.
May 11, 2021 near Monte S…, CA
The upper part of the trail passes through some beautiful forest, oft with a steep drop off on one side and quickly rising hill on the other.
May 11, 2021 near Monte S…, CA
A colorful wild iris encountered along the side of Sanborn Trail.
May 11, 2021 near Monte S…, CA
Castle Rock Loop walk.
Feb 10, 2023 near Monte S…, CA
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