You find Göteborgs Konsthall at the top of Götaplatsen next to Göteborgs konstmuseum/Göteborg Art Museum.
Some suggestions on how to get to Göteborgs Konsthall
Buses n:o 42, 45, 49 and 58 do stop at Götaplatsen outside Stadsbiblioteket (The City Library).
Buses n:o 49, 50, 761, 771, Green & Red-express, and trams n:o 4 & 5 stops at Berzeliigatan. From there you can walk up the Berzeliigatan until you reach Götaplatsen.
More information on the site Västtrafik
From Göteborg - Landvetter Airport:
Take the Airport Coach to Göteborg and get off at the Park Aveny Hotel. The bus ride takes approx. 30 minutes.
More information on the site for Landveter Aiport Coaches
By car: Park on Heden (approx. 10 min walk), at the Lorensbergsteatern/Lorensberg Theatre (approx. 2 min walk), at Göteborgs Konstmuseum/the Art Museum (approx 2 min walk) or at Göteborgs Konserthus/the Concert Hall (approx 2 min walk).
Entrance for wheelchairs, stroller etc:
If you arrive from the main street Kungsportsavenyn you can reach the entrance of Göteborgs konstmuseum/the Göteborg Art Museum by a ramp on the left side of the Götaplasten (next to the Restaurant Fond). Inside of the museum there is a lift to Göteborgs Konsthall.
A searchable map over Goteborg