It runs southwest-northeast, bounded on the west by South Aiken Avenue and on the east by Denniston Street.

Some popular local restaurants include Cappy's, Mario's, Shady Grove, William Penn Tavern, Pamela's Diner and La Feria.

Henne Jewelers, one of Pittsburgh's older jewelry stores, is also located on Walnut Street.

Kawaii-Gifts is a store that sells Pittsburgh's largest stock of Japanese imports, including brands like San-X and Uglydolls.

The concerts are held on the last Saturday of each summer month, on the corner of Bellefonte and Walnut Street.