Hugh's Room is at Dundas West south of Bloor (near the Dundas subway station.
I am not sure if they are planning to hold jam sessions.

The Acoustic Harvest Folk Club is located at the Birch Cliff United Church, corner of Kingston Rd & Warden Ave. phone number 416-264-2235
I am not familiar with any jam sessions held there on a regular basis either.

The Oasis does have an old-time session on the first Sunday of each month at 8:00 pm.

Greenbank Folk Music Society has a jam session on the first Sunday of each month held at 2:00 - 5:00pm.

I do not know of any regular jam sessions at the Tranzac.

Old Man Picker, if you are interested in some contacts for Greenbank or the Oasis jam sessions, send me a personal message and I'll help you as best I can.

Bonnie