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Mount Laguna Observatory Summer Visitors Program

Part of Julian, Mountains & Anza-Borrego, our guide to Julian, Descanso, Pine Valley, the Laguna Mountains and Borrego Springs.

Mount Laguna Observatory, SDSU’s observatory at about 6,100 feet in the Cleveland National Forest, offers public viewing through its 21-inch visitors’ telescope on select summer Saturday nights. The 2026 run ended August 15, so it is closed now. Dates for summer 2027 are not posted.Checked October 23, 2026.

ClosedNow
Aug. 15Last 2026 Night
21 InchesVisitors’ Telescope
6,100 FeetElevation
WhereOff Sunrise Highway in the Laguna Mountains. The pages read give no street address.
HoursThe summer 2026 program ran “Saturdays, 8 p.m.-11 p.m. through Aug. 15, weather permitting,” per an SDSU Magazine listing seen in a search excerpt. It is not running in October 2026. Phone 619-594-1415.
What It IsPublic viewing through the 21-inch visitors’ telescope on select summer Saturday nights.
AdmissionSee event site (not confirmed).

Watch For Next Summer

Summer 2027 dates are not posted. Check the SDSU astronomy page in spring. Meanwhile, the Laguna Mountain Visitor Center is nearby.

Mount Laguna Observatory Summer Visitors Program Open the map. © OpenStreetMap contributors.

What We Could Not Verify

  • Summer 2027 dates, admission and age limits: not posted.
  • The 2026 hours came from a search excerpt of an SDSU Magazine page, so we did not read the full page.
  • Map point is from OpenStreetMap, not an official coordinate.

More in Julian, Mountains & Anza-Borrego

FAQ

Can I visit Mount Laguna Observatory now?

No. The public summer Saturday-night program for 2026 ended August 15, and 2027 dates are not posted.

Sources

  1. SDSU: Mount Laguna Observatory
  2. SDSU Magazine: Open to the Public

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.