Gta 5 Diamond Casino Heist Sewer Tunnel. There s a sewer tunnel right across the street from the casino. You are being let in and have to drive down the tunnel where your credentials are being checked and you are able to park the van.
Head into the underground tunnel. Here s where you can find the location of gta casino heist access points there are several doors and access points that can be found in these locations. Sewer tunnel access point a short distance from the casino there s a large storm drain.
Get into the gruppe sechs van and drive to the casino to the security tunnel.
Where is the sewer in gta for the diamond casino heist. Near the end of the storm drain is a side exit that goes underground. Then go down to the vault area proceed through the manhole. It is a freeroam mission needed to progress the diamond casino heist.
