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Walker Preserve

Part of East County, our guide to El Cajon, La Mesa, Santee, Lakeside and Alpine.

Walker Preserve is a former sand-mining site restored as a wide riverside trail along the San Diego River. The River Park Conservancy says it is about one mile long and popular with walkers and young bike riders. Park on Magnolia Avenue in Santee, or at the Lakeside Baseball Park from 9:30 a.m. daily. Opening hours are not stated.Checked October 23, 2026.

~1 MileTrail Length
FlatRiverside Path
9:30a.m. Ball Park Lot Opens
Not ConfirmedOpening Hours
The wooden Walker Preserve entrance sign with stone posts beside a sidewalk
The Walker Preserve entrance. Devindad, CC BY-SA 4.0 via Wikimedia Commons.
WhereNo street address is given. West end: on-street parking on Magnolia Avenue in Santee. East end: Lakeside Baseball Park and Marathon Way, Lakeside; “off street parking at the Ball Park is available from 9:30 AM Daily.”
What It IsA former sand-mining site restored as a riverside trail, with signs on mining history and the Walker family.
HoursNot stated on the pages read.
AdmissionSee event site. No fee was found.
SafetyThe City of Santee says on its hiking page, read October 23, 2026: “Rattlesnakes, poison oak and coyotes can all be found in the trails throughout Santee.”
Walker Preserve Open the map. © OpenStreetMap contributors.

What We Could Not Verify

  • Opening hours: not stated.
  • The trail length is the River Park Conservancy’s “approximately 1 mile”; no City of Santee figure was read.
  • A City of Santee page for the preserve: the city’s own URL returned an error, so the conservancy page and the city hiking page are the sources.
  • Free days: not stated.
  • Map point is approximate (OpenStreetMap), not a surveyed entrance.

More in East County

FAQ

Where do you park for Walker Preserve?

On Magnolia Avenue in Santee at the west end, or at the Lakeside Baseball Park, where off-street parking is available from 9:30 a.m. daily.

Sources

  1. Lakeside River Park Conservancy: Walker Preserve
  2. City of Santee: Hiking and Trails

Checked October 23, 2026 by It’s San Diego. Cite this page: It’s San Diego (itssandiego.com), checked October 23, 2026. Free to quote with a link to this page; tables are licensed CC BY 4.0.