Casino Sewer Tunnel Gta. Security tunnel in the tunnel under the racetrack at the back of the casino take a picture of the garage door roof take a picture of the two keypad doors either side of the helipad sewer. This tunnel leads to the final access point in the sewer.
Secret tunnel entrance for the diamond heist. It is a freeroam mission needed to progress the diamond casino heist. Security tunnel in the tunnel under the racetrack at the back of the casino take a picture of the garage door roof take a picture of the two keypad doors either side of the helipad sewer.
There is a small tunnel next to the casino under the racetrack.
Sewer tunnel access point a short distance from the casino there s a large storm drain. Where is the sewer in gta for the diamond casino heist. This is the hardest access point to find. Head over there and go inside and take a picture of the sewer grate.
