The 2015 AO4ELT4 is now open for early registration. We hope to host up to 200 participants at the beautiful UCLA Lake Arrowhead Conference Center for this 5-day meeting. Please register early, as space is limited.

Register online:
code is AO2015

Please send an email to Leah Martin. if you are having trouble with the on-line forms.


This table will give you a general idea of costs:
Package Conference Registration Conference Center (5 nights) Total (5 nights)
Full Package: Meeting, all meals, and lodging included $350 $1100 $1450
Guest: Bring a guest (non participating in the meeting) - includes meals and condolet lodging $0 $950 $950
Commuter Package: Meeting and all meals included $350 $600 $950

Room options

Please keep in mind that staying at the UCLA Center is the norm for this meeting, and is by far the lowest cost option for meals and lodging. Both are excellent there. The resort setting is also nicely suited for informal professional and scientific networking to take place off hours!

Accomodation Description
  • Two-bedroom, two-bath, two-story units
  • Queen beds and private bathroom on each level
  • Living room with fireplace
  • Most rooms have decks with mountain or lake views
Single room
    The single-rooms have been sold out.
    Please note: The condolets actually do consist of two single rooms, each with separate bath. The only shared space is the deck and fireplace lounge area.

Adjoining meetings

Registration for the adjoining Laser Workshop and CfAO Fall Science Retreat meetings is now open.