Hinkle to Nampa

From the yard at Hinkle (MP 185.3), on the north side of the main line, the 2MT, CTC, 40 mph line passes crossovers at CP E185 (MP 185.6), where the speed limit rises to 50 mph, and crossovers at CP E186 (MP 186.2), with the line still alongside to the north, turning south-southeast at the east end of the yard at Stanfield (MP 188.0-MP 188.6), where the line reduces to single track, CTC, climbing at 0.4% past a detector at MP 188.6, south and then curvily southeast past the 6,363 ft. siding at Echo (MP 191.8, where the speed limit is still 50 mph, to MP 193.1, where it is 65 mph), and a detector at MP 194.9, where the speed limit is 45 mph, east and then southeast past the 8,478 ft. siding at Nolin (MP 198.8, where the speed limit is still 45 mph, to MP 200.6, where it is 65 mph), east past Yoakum, south and then curvily east past a 610 ft. tunnel (MP 204.0), Campbell, a detector at MP 207.1, the 6,370 ft. siding at Barnhart (MP 207.4-MP 208.8), north and then east past a detector at MP 211.1, and just north of east past the 13,671 ft. siding at Rieth (MP 211.3, where the speed limit is still 65 mph, to MP 214.1, where it is 35 mph), where the Pilot Rock Industrial lead departs to the south for Pilot Rock.

The line turns just south of east past the 7,640 ft. siding at Pendleton (MP 214.6-MP 216.1), where both an NP line and an OWRN line once left to the north and the grade increases to 1%, just north of east to the 5,631 ft. siding at Munra (MP 218.4, where the speed limit is 45 mph, to MP 219.6, where it is 65 mph), within which the line turns southeast and then east again, a spur at Mission (MP 220.8), a detector at MP 222.9, the 9,070 ft. siding at Hinthorn (MP 224.3, where the speed limit is still 65 mph, to MP 226.2, where it is 60 mph), Cayuse (MP 227.2), where the speed limit is again 65 mph, the 5,762 ft. siding at Homly (MP 228.9-MP 230.2), where the speed limit is 30 mph, Thorn Hollow, the 8,077 ft. siding at Milam (MP 233.3, where the speed limit is 40 mph, to MP 235.1, where it is 65 mph), and the 5,063 ft. siding at Gibbon (MP 236.3, where the speed limit is still 65 mph, to MP 237.4, where it is 25 mph).

A big clockwise curve back to the southwest, and an increase in the grade to 2%, ends the siding at Gibbon, after which the line turns south at the 8,596 ft. siding at Bonifer (MP 238.9, where the speed limit is 40 mph, to MP 240.7, where it is 25 mph), past a detector at MP 239.7, a detector at MP 243.7, where the speed limit is 45 mph, the 8,458 ft. siding at Duncan (MP 247.8-MP 249.6), where the speed limit is 30 mph as the climb up the north side of the Blue Mountains begins in earnest, North Fork, and a detector at MP 253.0 to the 5,844 ft. siding at Camp (MP 253.7-MP 254.9), within which it makes a big turn to the west, and northwest past a detector at MP 255.6 and a detector at MP 256.1 to the 9,100 ft. siding at Huron (MP 256.8, where the speed limit is still 30 mph, to MP 258.7, where it is 20 mph), within which it turns north past a detector at MP 256.1.

The line turns sharply west a detector at MP 259.4 and a detector at MP 261.5, southwest past a detector at MP 262.5, west past Highbridge (MP 263.1), where 2MT, CTC, begin, and a detector at MP 263.5, southwest to Meacham (MP 265.1), south to crossovers at Ross (MP 267.7), south-southwest to detectors at MP 268.2, and southeast to a 6,907 ft. center siding at Kamela (MP 270.3-MP 271.8), the 4,203 ft. elevation summit of this portion of the Blue Mountains, starting the 2.2% descent past Nordeen (MP 272.1), where single track, CTC, resumes, and a detector at MP 272.9, south-southeast past the 8,724 ft. siding at Motanic (MP 274.6-MP 276.4), within which it turns curvily east, past a detector at MP 276.8, a detector at MP 278.8, and a detector at MP 280.3, south to the 9,294 ft. siding at Hilgard (MP 281.4, where the speed limit is still 20 mph but the grade drops to 0.75%, to MP 283.3, where it is 25 mph), within which it turns east again, past a detector at MP 284.4 and Perry (MP 285.7), where 2MT, CTC, begin again, and southeast past crossovers at CP N288 (MP 287.7) and crossovers at West La Grande (MP 289.0) to a wye on the northeast side with a line northeast to a Boise Cascade facility at Elgin (that formerly continued to Joseph), La Grande (MP 290.1), where the speed limit is 20 mph, and there is a yard on the northeast side of the line, and crossovers at East La Grande (MP 290.7).

The line continues southeast across the Grande Ronde Valley, past Lone Tree (MP 295.3), where the speed limit is 70 mph, after which the line reduces to single track, CTC, a detector at MP 298.9, Hot Lake (MP 299.7), where the Central Railroad of Oregon once headed east to Cove, the 8,547 ft. siding at Union Junction (MP 301.3, where the speed limit is still 70 mph, to MP 303.1, where it is 55 mph), another CRO line once trailed in on the east side and the line turns south and begins to climb again, a 1.5% grade, east past a detector at MP 304.9, south and then curvily south-southwest past Pyle, and curvily south-southeast past a detector at MP 307.5, the 8,436 ft. siding at Crooks (MP 308.0-MP 309.7), where the speed limit is 30 mph, and the 4,840 ft. elevation summit at Telocaset (MP 311.9), where the line turns west, 2MT CTC begin and the speed limit is 40 mph.

A turn south and then southwest leads to Sago (MP 315.2), where single track, CTC, resumes, a detector at MP 315.9, a turn northwest and then southwest again, a detector at MP 318.3, a detector at MP 319.5, the 8,653 ft. siding at North Powder (MP 321.2, where the speed limit is 60 mph, to MP 322.9, where it is 70 mph), and Harney (MP 325.8), where the line turns south-southeast past the 8,636 ft. siding at Haines (MP 331.4-MP 333.1), a detector at MP 336.0, the 5,197 ft. siding at Wing (MP 337.2-MP 338.3), and across the Baker Valley to the 10,458 ft. siding at Baker (MP 340.5, where the speed limit is 70 mph, to MP 342.7, where it is 50 mph), where the 3 ft. gauge Sumpter Valley Railway once headed south and a 1.5% climb begins, a detector at MP 344.2, where the line turns south, and the 12,047 ft. siding at Quartz (MP 345.6-MP 348.0), where the line turns southeast and the speed limit is 60 mph.

Two Main Tracks, CTC, begin again at the summit at West Encina (MP 350.9), where the line begins to descend a 1.5% grade and turns east, with speed limit is 30 mph, past crossovers at East Encina (MP 352.9), a turn southeast, Pleasant Valley (MP 355.9) where the speed limit is 20 mph and single track, CTC, resumes, on the 2.2% downgrade, a detector at MP 357.0, where the line turns south, a turn southeast again, Oxman (MP 360.2), where 2MT, CTC, resume, a turn east and then southeast again, Unity, a counter-clockwise horseshoe back to the north and then a clockwise horseshoe south again, past Prichard Creek (MP 365.8), where single track, CTC, resumes and the speed limit is 70 mph.

The line edges east of south, past the 9,961 ft. siding at Durkee (MP 367.7-MP 369.7), where the downgrade drops to 1%, turns southeast past a detector at MP 371.7, east of south again past Nelson (MP 372.6), southeast, south, east-southeast past a detector at MP 365.0, south past the 8,449 ft. siding at Weatherby (MP 376.2-MP 378.0, where the speed limit is 25 mph, southeast past a detector at MP 378.7 and 309 ft. Tunnel 15 (MP 378.8), curvily south past a detector at MP 380.6 and the 6,897 ft. siding at Lime (MP 383.5-MP 384.9), curvily south-southeast past the 9,331 ft. siding at Huntington (MP 388.4-MP 389.8/538.4), where the OWRN ended and the OSL began,, and just north of east to Blakes Junction, where an OWRN line along the west bank of the Snake River to Homestead once headed north.

There is a bridge across the Snake River, crossing from Oregon into Idaho, and the line turns south-southeast, along the east bank of that river, south-southwest, following that river, past the 8,235 ft. siding at Rock Island (MP 533.6-MP 531.9), where the speed limit is 60 mph, south, southeast, northeast, still following the river, past  the 7,895 ft. siding at Cobb (MP 527.0-MP 525.4), where the speed limit is 50 mph and a detector at MP 522.3, where the speed limit is 60 mph, east-southeast cutting off a bend of the river, past Eaton, reaching the river again before the 8,064 ft. siding on the south side and the 8,247 ft. siding on the north side at Weiser (MP 517.9, where the speed limit is 70 mph, to MP 516.3, where it is 60 mph), where an Idaho, Northern and Pacific (former OSL) line once headed east and then north to New Meadow.

The line turns southeast, cutting off a bend of the river again, past CP N514 (MP 514.3), where the speed limit is 70 mph, a spur at Wix (MP 514.2), and Feltham (MP 512.9), regaining the river bank at the 8,256 ft. siding at Crystal (MP 510.5-MP 508.8), where it turns just west of south, past a detector at MP 507.4, a spur at Wood (MP 506.4), the 8,067 ft. siding at Payette (MP 504.9-503.3), where it leaves the river again and an INP (former OSL) line heads away southeast and then east to McCall.

The main line passes CP N501 (MP 501.3),Washoe (MP 501.1), a bridge across the Snake River back into Oregon, CP N500 (MP 499.8), the 8,435 ft. siding on the 'south' (west) side and then 8,440 ft. siding on the 'north' (east) side at Ontario (MP 498.2-MP 496.4), south of which there is a Wyoming-Colorado Railroad wye and line heading away west on the west side of the line (the former OWRN line west to Burns). as the main line turns south, generally following the line of the river, past Arcadia, a detector at MP 492.0, and the 8,717 ft. siding at Nyssa (MP 489.7-MP 487.9), where a line edges away southwest to follow the west bank of the river to Marsing (Erb).

There is a bridge across the Snake River into Idaho, again, a spur at Apple Valley (MP 486.1), a turns southeast, past CP N482 (MP 482.3), the 8,261 ft. siding at Parma (MP 480.7-MP 478.9), a detector at MP 478.1, and Mangum (MP 476.4), and then east-southeast, past CP N474 (MP 473.6), the 8,284 ft. siding at Notus (MP 472.3-MP 470.6), and Enrose (MP 469.2), southeast again, bridging over the Boise River, past Caldwell (MP 466.2), Wilder Junction (MP 465.9), where the speed limit is 60 mph and an INP (former OSL) line from Wilder trails in from the west, Moss, West Nampa (MP 464.7-MP 459.4), where 2MT, CTC, begin again and the speed limit is 70 mph, the west end of a yard on the southwest side, a wye on the northeast side at Idaho Northern Junction (MP 457.5, where the speed limit is 70 mph, to MP 457.1, where it is 35 mph), where the Idaho Northern Industrial Lead (formerly the OSL line south from Emmett) trails in from the north, and Nampa (MP 456.8), the east end of the yard, where the former OSL line south to Stoddard and Murphy, now the Stoddard Industrial Lead, heads away south, with the main line continuing southeast.