The Best Trails in Rock City, California (United States)

69 trails

(1)
Photo of MT. Diablo Grand Loop Trail Photo of Mount Diablo Summit from Juniper Campground #1 Photo of Two Peaks: North Peak and Mount Diablo
  • MT. Diablo Grand Loop Trail

    Hiking
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    Distance
    7.16mi
    Elevation +
    2073f
    TrailRank
    56
    Photo ofMT. Diablo Grand Loop Trail Photo ofMT. Diablo Grand Loop Trail Photo ofMT. Diablo Grand Loop Trail

    A gorgeous 360 degree regional vista of the Sierras, Mt. Tamalpis to Bay Area atop Mt. Diablo. Trail starting from Juniper campground counterclockwise is one full of steep incline and decline. Surrounded by majestic gran...

  • Distance
    15.80mi
    Elevation +
    4695f
    TrailRank
    30
    Photo ofTwo Peaks: North Peak and Mount Diablo Photo ofTwo Peaks: North Peak and Mount Diablo Photo ofTwo Peaks: North Peak and Mount Diablo

    Same route as last time, but this time I did my homework and brought electrolytes. No cramps this time. Managed to walk a longer distance including the North Peak and Mount Diablo summits I missed the last time, all in ...

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  • Distance
    13.48mi
    Elevation +
    3720f
    TrailRank
    29
    Photo ofMount Diablo No summit, only trails Photo ofMount Diablo No summit, only trails Photo ofMount Diablo No summit, only trails

    This was very difficult for me, but it's been a long time since I did a long-ish hike. With more training and better preparation shouldn't be more that "just" difficult. Take: Plenty water ✓ Food ✓ Snacks ✓ Power bars ✓...

  • Mount Diablo - Three Peaks

    Hiking
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    Distance
    11.73mi
    Elevation +
    3652f
    TrailRank
    27
    Photo ofMount Diablo - Three Peaks Photo ofMount Diablo - Three Peaks Photo ofMount Diablo - Three Peaks

    Eagle Peak, North Peak, and Diablo Summit starting and ending in Juniper Campsite. Perfect first hike of spring!

  • Distance
    6.85mi
    Elevation +
    2418f
    TrailRank
    27

    Start at the Juniper Campground parking lot, following the Juniper Trail up and up to the summit of Mt. Diablo, take some time to explore the Visitor Center and and learn some history of the area (including its connectio...

  • top of Diablo loop

    Hiking
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    Distance
    7.84mi
    Elevation +
    2169f
    TrailRank
    22

    Start at the summit. Walk a little on trail, then mostly on dirt roads to avoid the poison oak. Steep downhills. steep uphills. lots of wildflowers March and April.

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