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Accommodations

 The Hotel at The Athenaeum offers 24 guestrooms and four suites. Located on the second floor of the stately Athenaeum, the hotel provides a quiet, serene respite for guests.

Being on the Caltech campus provides convenient access to the Institute and a short walk to The Huntington Library, Art Museum and Botanical Gardens. The Athenaeum's Front Desk staff can assist you in planning a day's worth of activities in the bustling city of Pasadena and the surrounding communities.

The Athenaeum's dining options provide excellent food and service in one of the most beautiful dining rooms in the city, as well as outdoor patio service.   Executive Chef Octavio Sabado and his staff prepare delicious, innovative meals and much-loved standards for breakfast, lunch and dinner. Pasadena and the surrounding areas are also very well known for the diverse variety of cuisines in some of the best restaurants in the area.

Dining Schedule

Breakfast: Tuesdays to Fridays
7:00 a.m. to 8:30 a.m.

Lunch: Mondays to Fridays
11:30 a.m. to 1:00 p.m.

Dinner (Main Dining Room): Tuesdays to Fridays
5:30 p.m. to 7:30 p.m., seating every half hour

Closed for the Season
Dinner (Rath al Fresco): Tuesdays to Fridays
5:00 p.m. to 7:30 p.m., seating every half hour 
Kitchen closes at 8:30 p.m. 

Complimentary Continental Breakfast is provided for our hotel guests only on weekends and holidays.

Please contact the Front Desk at (626) 395-8200 or [email protected] to reserve a room for yourself or your sponsored guests.

Please visit Caltech's website for up-to-date information.  https://together.caltech.edu/


Guestrooms available for single or double occupancy for regular rooms. Rooms with a single king, single queen or two twin beds.


  • Amenities
    • Breakfast, lunch and dinner are available. Complimentary continental breakfast is offered weekends and holidays.
      Breakfast: Wednesdays to Fridays 7:00 a.m. to 8:30 a.m.
      Lunch: Mondays to Fridays 11:30 a.m. to 1:00 p.m.
      Dinner (Main Dining Room): Tuesdays to Thursdays 5:30 p.m. to 7:30 p.m., seating every half hour
      Dinner (Rath al Fresco): Closed for the season.  
      The hotel also features:

      • Air-conditioning
      • Walk-in closets
      • High Speed Internet access, wired and wireless
      • Iron and ironing board
      • Hair dryer
      • Safe deposit box at Front Desk
      • Laundry and dry cleaning available
      • Access to Athenaeum tennis courts and the Caltech Athletic Facilities ($10.00 day pass available)
  • Payment
      • Guest room accounts to be settled at check out
      • Guests on extended stay should settle their account each week
      • U.S. Currency, MasterCard, Visa, or American Express, or traveler’s checks accepted.
      • Sponsoring members or departments responsible for all charges not paid by their guests.
  • Length of Stay
    • A stay of more than one month must be authorized by the General Manager.

  • Cancellation / Change Policy
      • Reservations cancelled between two (2) and four (4) days prior to scheduled arrival will be charged one-half of the confirmed room rate (for the entire stay) plus tax.
      • Reservations cancelled less than two (2) days prior to scheduled arrival will be charged the full room rate (for the entire stay) plus tax.
      • No shows will be charged the full room rate (for the entire stay) plus tax.
      • For extended stay reservations, no shows will be charged the full room rate (for the entire stay) plus tax and the entire reservation will be cancelled.
      • Please inquire about late check-out with the Front Desk. The following charges will be incurred for late check out:
        • After 1 o’clock checkout: half day rate
        • After 3 o’clock checkout: full day rate