The best waterfall hikes and walks in Fremont Older Open Space Preserve
4.7
(263)
3,670
hikers
11
hikes
Last updated: October 26, 2025
5.0
(4)
22
hikers
1. Sanborn Trail – Indian Rock loop from Saratoga
15.9km
05:06
660m
660m
Expert hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.8
(22)
227
hikers
2. Castle Rock Falls loop - Castle Rock State Park
8.57km
02:42
330m
330m
Expert hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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5.0
(4)
43
hikers
3. Castle Rock Falls – Inner Connector Trail loop from Saratoga
15.3km
04:41
530m
530m
Expert hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(4)
41
hikers
4. Castle Rock Falls – Loughry Woods Trail loop from Los Gatos
10.1km
03:01
310m
310m
Expert hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
37
hikers
5. Castle Rock Falls – Castle Rock loop from Saratoga
19.6km
06:00
640m
640m
Expert hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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