Right beside the off ramp at Tristram, so will be difficult to u-turn to head north as Wairau rd is a nightmare to get across during the day. Not the best prices, there are other larger better gas stations close by.
Popped here on the way back from a friends place. Prices were really expensive - when I left I noted that every other station I drove past was cheaper. The staff were also really grump and rude.