Where can I find Oil in Arth?

Oil can also be found in these cities:

Baar Buchrain Buochs Cham Ebikon Einsiedeln Emmen Goldau Horw Ibach SZ Ingenbohl Kriens Küssnacht Lucerne Oberdorf Richterswil Rotkreuz ZG Stans Steinhausen Stäfa Unterägeri Urswil Wädenswil Zug

You can also find this in Arth:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise