27.7 miles
Distance
6,283 ft
Climb
-6,209 ft
Descent
3,364 ft
High Point
74 ft
Altitude change
680 ft
Altitude min
680 ft
Altitude start
755 ft
Altitude end
0.1%
Grade
-77.5%
Grade max
68%
Grade min
13 miles
Distance climb
13 miles
Distance down
1 mile
Distance flat

Ride to Mount Umunhum from the Lexington Reservoir. Can start from downtown Los Gatos and end at a nice bakery. I haven't done the ride yet, but wanted to check out the distance and elevation gain.

Detailed Description
Mount Umunhum Loop is a 28 mile moderately popular easy route located near Los Gatos California. This mountain bike primary route. This route includes 8 trails. This route climbs 6,283 ft with a max elevation of 3,364 ft then descends -6,209 ft.

Trail Issues on Route

  • Minor Issue / Yellow: 1 trail (newest: Jan 1, 2026)
Local Trail Association
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Midpeninsula Regional Open Space District (www.openspace.org)
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Stats

  • Distance
    28 miles
  • Avg time
    3 hr 51 min
  • Altitude min
    680 ft
  • Altitude start
    680 ft
  • Altitude end
    755 ft
  • Climb
    1 mile
  • Descent
    -6,209 ft
  • Grade
    0.1%
  • Grade max
    -77.5%
  • Grade min
    68%
  • Distance climb
    13 miles
  • Distance down
    13 miles
  • Distance flat
    1 mile

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Trails in Route

Details

Avg: 2 (1 votes)
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    Mt. Umunhum Trail
    Mt. Umunhum Trail
    trail: Mt Umunhum
    20:33 | 342 | comments: 0 | favs:
    May 27, 2023
    youtuber Back Woods
    Back Woods
    trail: Mt Umunhum
    36:12 | 287 | comments: 0 | favs:
    Oct 12, 2022

    Recent Trail Reports Along Route

    statustraildateconditiondescription
    Woods Trail
    Jan 1, 2026 @ 2:24pm (America/Los_Angeles)
    Jan 1, 2026
    Additional erosion rock since last year in the form of ruts and loose at higher elevations. Lower section was wet but in reasonable shape.
    Kennedy
    Jan 1, 2026 @ 2:24pm (America/Los_Angeles)
    Jan 1, 2026
    Some ruts from runoff erosion, a bit worse than last year.
    Limekiln - Lower
    May 26, 2025 @ 12:36pm
    May 26, 2025
    Lower Priest Rock
    May 26, 2025 @ 12:36pm
    May 26, 2025
    Mt Umunhum
    Oct 14, 2023 @ 1:19am
    Oct 14, 2023
    more reports »
    • By hammersorethumbTF Pro & contributors
    • #17471 - 3,428 views

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