Things to Do in Pasadena & San Gabriel Valley on Sunday, Columbus Day Weekend 2026

Sunday, Oct 11 · 9 picks hand‑checked by Stumblday against organizer pages · 2 free in the top 9 · updated Oct 5

The 9 best things to do in Pasadena & San Gabriel Valley on Sunday, Oct 11

  1. CatCon 2026 — October 10 and 11, 10 AM–5 PM · Tickets from about $12 via Ev… · Pasadena
  2. Rose Bowl Flea Market — Second Sunday of every month in 2026 · $15 general admission from 9am · Arroyo Seco
  3. Explore JPL 2026 — Saturday and Sunday, October 10–11 · Free · Pasadena
  4. Carved at Descanso Gardens — October 2–November 1, 6–10 PM · Non-members: adults $29–$52 · La Cañada Flintridge
  5. 10th Annual International Orchid Show and Sale — Friday–Sunday, October 9–11 10 AM–5 PM daily · San Marino
  6. Come from Away (Touring) — Fri, Oct 23 7:30pm · 3352 E. Foothill Blvd.
  7. Montebello Heritage Festival & Parade — Sunday, October 11; parade 10:30 AM · Free · Montebello
  8. Pasadena Farmer's Market — Sat, Oct 24 8:00am · Pasadena
  9. Good Alley Reserve — Open this weekend — recently opened · Arcadia

About this list

Stumblday's hand-checked ranking of the best things to do in Pasadena & San Gabriel Valley on Sunday of Columbus Day weekend, Oct 11: 9 picks.

More this weekend across LA