Hattenhauer Southgate Sinclair Dino Mart Hattenhauer Southgate Sinclair Dino Mart Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Fuel & Convenience Stores Hattenhauer Southgate Sinclair Dino Mart 701 SouthgatePendleton, OR 97801 | View on Google Maps Tanna Elliott (541) 276-2028 Gas station & full mini market. Low gas prices, groceries, lottery, ATM, phone cards, automotive, deli food & more. Member Since: 2014