45° 36′ 22″ N 121° 12′ 14″ W
/
160 ft
(49 m MSL)
navigation
212°
45° 35′ 14″ N 121° 9′ 49″ W
/
300 ft
(91 m MSL)
navigation
212°
navigation
176°
US-5818
Hoffstadt Viewpoint Heliport
46° 19′ 35″ N 122° 29′ 22″ W
/
1.374 ft
(419 m MSL)
navigation
225°
45° 43′ 19″ N 121° 28′ 22″ W
/
1.000 ft
(305 m MSL)
navigation
215°
45° 6′ 14″ N 114° 51′ 18″ W
/
3.835 ft
(1.169 m MSL)
navigation
159°
navigation
147°
53° 38′ 44″ N 113° 48′ 10″ W
/
2.190 ft
(667 m MSL)
navigation
29°
46° 35′ 16″ N 122° 51′ 56″ W
/
300 ft
(91 m MSL)
navigation
229°
53° 40′ 2″ N 113° 51′ 14″ W
/
2.256 ft
(688 m MSL)
navigation
28°
navigation
213°
US-6390
North Fork Toutle River Heliport
46° 22′ 28″ N 122° 35′ 46″ W
/
688 ft
(210 m MSL)
navigation
226°
45° 6′ 16″ N 114° 47′ 57″ W
/
4.190 ft
(1.277 m MSL)
navigation
159°
44° 47′ 39″ N 117° 50′ 45″ W
/
3.410 ft
(1.039 m MSL)
navigation
184°
46° 40′ 37″ N 122° 58′ 58″ W
/
176 ft
(54 m MSL)
navigation
231°
navigation
228°
navigation
215°
navigation
112°
US-5603
Fort Benton Reservation Airport
47° 48′ 51″ N 110° 39′ 14″ W
/
2.638 ft
(804 m MSL)
navigation
113°
53° 33′ 28″ N 113° 29′ 47″ W
/
2.253 ft
(687 m MSL)
navigation
31°
navigation
203°
navigation
229°
navigation
167°