Summit Contact Numbers¶
Warning
When dialing a phone number longer than 3 digits, leave the phone in the cradle and dial the number using the keypad. Then pick up the phone after you have entered the full number.
Emergency Numbers¶
To reach one of these numbers from the control room phone, dial: 9 512 205 XXX
Polyclinic Paramedic: 577
Mountain Assistant/Asistante Montaña: 440
Main gate guards/Control Puerta: 434
Note
Staff working these positions primarily speak Spanish. If no one answers the telephone at any of the extensions above, use any Rubin radio tuned to Channel 1. Put out this call:
“Atento [paramedico/asistante montaña/control puerta] - habla [your name] del Observatorio Rubin” and await a response.
Control Room Numbers¶
Summit control room: 843
La Serena Base control room (phones 1 and 2): 1021, 1022
To dial into the control rooms from an outside line: +56 512205 + extension.
For example, summit control room: +56 512205843
Non-Emergency Numbers¶
Using the control room telephone, dial: 9 512 205 XXX
Rubin Casino: 593
Staff primarily speak Spanish.
SOAR Control Room: 500
Staff primarily speak Spanish, but some operators are bilingual.
Gemini Base Facility (operations control room) in La Serena: 758
Staff are bilingual.
Calling Hotel Pachon¶
If there is something wrong with the room you have organized to stay in, you may call 440 from the hotel foyer or the summit control room and request help. During working hours, (Monday - Friday) this extension will connect to the Cerro Pachón mountain assistant. During weekends, this extension is forwarded to the mountain assistant on Cerro Tololo. They will call directly to staff on Cerro Pachón to attend to after-hours hotel issues. Some examples are if the key is not hanging on the second floor for you, there is no hot water, or the heat is off and you want to request a space heater, etc. Staff mostly speak Spanish only.
To call one of the hotel rooms or 20 units, dial this number 9 512 205 + extension.
20-Units main telephone: 599
Hotel Pachon Indiviual Room Numbers
Room 1: 571
Room 2: 572
Room 3: 573
Room 4: 574
Room 5: 575
Room 6: 576
Room 7: 589
Room 8: 590
Room 9: 587
Room 10: 578
Room 11: 579
Room 12: 580
Room 13: 581
Room 14: 582
Room 15: 555
Room 16: 556
Room 17: 557
Room 18: 558
Using the control room phones¶
Warning
The phone in the control room can only dial the United States and Chile. Other countries cannot be reached. If you need to reach a person in another country, use WhatsApp, Slack, or the Satellite phone in the control room.
To dial a landline in La Serena: 9 512 XXX XXX
To dial a landline in other parts of Chile: 9 2 XXXX XXXX
To dial a cell phone in Chile: 9 9 XXXX XXXX
To dial the United States: 001 + Area Code + Phone Number
This procedure was last modified Nov 22, 2025.