Now hiring. Apply now! Campground Host Seasonal positions open at Two Rivers RV Park and Finlay Flats Campground. References are required. For more information, please email arthur.potts@avistacorp.com or call (406) 847-1283. AVISTA Now hiring . Apply now ! Campground Host Seasonal positions open at Two Rivers RV Park and Finlay Flats Campground . References are required . For more information , please email arthur.potts@avistacorp.com or call ( 406 ) 847-1283 . AVISTA