Main branch:

Exterior book drop unavailable Saturday, September 30, 7 a.m. to 5 p.m.

Notice: Saturday September 9 and Sunday September 10

The underground parking at the Main branch will be unavailable due to maintenance. 


Hours for the week of Sep 18, 2017
Day of weekOpening times
Monday10:00 am - 9:00 pm
Tuesday10:00 am - 9:00 pm
Wednesday10:00 am - 9:00 pm
Thursday10:00 am - 9:00 pm
Friday10:00 am - 6:00 pm
Saturday10:00 am - 5:00 pm
Sunday1:00 pm - 5:00 pm

Next holiday closure: Oct 09, 2017

  • The branch will be closed on Sundays, from June 11 to September 3, 2017.
    120 Metcalfe
    OttawaOntario K1P 5M2
    613-580-2940 (Infoservice)
Main / Centrale photo

Nearest branches

Rideau photo
377 Rideau
Sunnyside photo
1049 Bank
Rosemount photo
18 Rosemount

What's happening at Main

Ontario Bar Association logo
Ottawa Public Library is partnering with the Ontario Bar Association so that you can...
Blog entry
Calling all history fans! Come to the Main Branch of the Ottawa Public Library...
Blog entry
Come learn to knit and make a fun knitting project. Ages 7-12.


Saturday Oct 7, 2017 at 2:00pm / until Oct 21, 2017

Activities include: Building with LEGO, 3D printing, Makey Makey, green screen, LittleBits and more. Au programme : Construction avec LEGO, imprimante à 3D, Makey Makey,...


Saturday Oct 28, 2017 at 1:00pm

To celebrate the time of year when ghosts, goblins and ghouls walk among us, the Main children’s department is hosting a storytelling event which will...


Saturday Oct 28, 2017 at 2:30pm

List of meeting rooms, capacities and links to reserve.
Title Capacity Rates Note Book this room
Room B125 35 Regular Room Rates Includes a whiteboard (no markers). Does not include cords, laptop, or technical assistance. There is no screen in the room , but it is possible to project onto the wall.
Auditorium 189 Auditorium Rates Includes a podium and microphone. If you require a table in the lobby please add to the note field. Does not include cords, a laptop or technical assistance. There is no screen in the auditorium, but it is possible to project onto the wall.

Branch features

The hub of the 33-branch OPL system, the Main branch the largest library in the system, with the greatest selection of material of all kinds and the most public access Internet stations in the city. Located downtown in the heart of the business and government communities, the Main branch is the place for reference services, including the Ottawa Room, which holds an extensive collection of local historical documents.

The Main branch received these improvements in 2014.

  • Renovated children’s area including a new floor plan with improved sight lines
  • Furniture upgrades
  • Increased public space on the 3rd floor
  • Consolidation of all bookable public internet computers for adults, on the 3rd floor
  • RFID technology installation
  • New point of service