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Caltech Together: San Diego Second Sunday (July 2025)
July 13, 2025 at 7:00 am PDT
Free
Held on the second Sunday of every month, this hike explores scenic trails across the region. This month, join fellow alumni for a challenging 12-mile out-and-back hike to El Cajon Mountain on Sunday, July 13, at 7 a.m. Expect about 3,800 feet of elevation gain, steep inclines and declines in both directions, and sweeping views from the summit.
What to bring
- At least three liters of water
- Hiking shoes with strong traction
- Sun protection
- Trekking poles (recommended)
Timing and meetup
- Trailhead meetup: El Cajon Mountain Trailhead at 7 a.m. sharp to beat the heat
- Optional carpool: Meet at Carmel Mountain Preserve parking lot near CA-56 at 6:30 a.m.
Alumni, family, and friends are welcome.