"A Chicago legend and deservedly so", this River Norther (the more casual older brother of top-rated Topolobampo) is "the one that started it all", showing "what depth Mexican food can have" with "charming" chef-owner Rick Bayless' "world-class" "died-and-gone-to-heaven" creations; add in "an interesting variety" of "fabulous margaritas" and "great service" from a "professional staff" and it's no wonder "it can be nearly impossible to get in."
Source: www.zagat.com