Hi, I am going there in a week, heres my notes:
BARS
COZY CORNER
27 Moonmuang Rd. ChiangMai 50200
SPOTLIGHT BAR
47 Kotchasarn Rd. ChiangMai 50100
BARS & RESTAURANTS
BRASSERIE RESTAURANT & BAR
37 Charoenrajd Rd. ChiangMai 500000
HAUS MUNCHEN BAR & RESTAURANT
115/3 Loi Kroh Rd. ChiangMai 50100
IRISH PUB
24/24-1 Rajawithi Road ChiangMai 50100
KAFE RESTAURANT
127-129 Moonmuang Rd., A. Muang, ChiangMai 50200
SMILING MONKEY BAR & RESTAURANT
40/1 Bumrungburi Rd. ChiangMai 50200
THA CHANG PUB & RESTAURANT
31-35 Charoenrajd Rd. ChiangMai 50000
THE ESCAPE BAR
63/1 ChiangMai Kao Rd. ChiangMai 50000
THE RIVERSIDE BAR & RESTAURANT
9-11 Charoenrajd Rd., A.Muang, ChiangMai 50000
TRUE BLUE
47 MoonMuang Rd., A.Muang, ChiangMai 50200
BEER BARS
DUANGTAWAN BEER GARDEN
Duangtawan Hotel, 132 Loi Kroh Rd. ChiangMai 50100
LARN MAE PING BEER GARDEN
Mae Ping Hotel, 153 Sridornchai Rd. ChiangMai 50100
ROCK HARD MUSIC PUB
Next to Pornping Tower Hotel - 40-42 Charoenprathet Rd., ChiangMai 50100
NIGHT CLUBS
BUNNY NIGHT CLUB
186/1 Loi Kroh Rd. ChiangMai 50300
EXECUTIVE CLUB
Mae Ping Hotel, 153 Sridornchai Rd. ChiangMai 50100
RINKAEW NIGHT CLUB
Rinkaew Complex, 183/4 Wualai Rd. ChiangMai 50100
Try here too:
http://www.whorist.com/01Thailand/01_6_2MaiNL.htm
http://www.stickmanbangkok.com/