AMP: The Dalles-California Hwy #4/115 Location: US-97 and C Ave, Terrebonne, Deschutes Cty A couple miles later, we’ll enter unincorporated Terrebonne. AMP: 115 Location: US-97 and Barberry Dr, Deschutes Cty Reassurance shield as we head out of Terrebonne. AMP: 107 Location: US-97 and Monroe Ln, Jefferson Cty Reassurance shield a couple miles later as we enter Jefferson County. … Continue reading U.S. Route 97, OR 370 to OR 361