U91
Grasmere Airport
VFR
48° 23′ 50″ N 119° 32′ 52″ E
/
800 ft
(244 m MSL)
navigation
335°
38° 9′ 29″ N 122° 27′ 22″ E
/
115 ft
(35 m MSL)
navigation
227°
US-5356
Red Horse Spring Airstrip
37° 28′ 57″ N 110° 11′ 3″ E
/
5’236 ft
(1’596 m MSL)
navigation
140°
37° 41′ 39″ N 121° 52′ 51″ E
/
422 ft
(129 m MSL)
navigation
222°
US-5773
Kenny’s Cropdusting Airport
36° 32′ 29″ N 119° 45′ 50″ E
/
266 ft
(81 m MSL)
navigation
205°
navigation
39°
navigation
302°
47° 6′ 14″ N 122° 17′ 13″ E
/
538 ft
(164 m MSL)
navigation
313°
48° 25′ 49″ N 119° 29′ 9″ E
/
1’000 ft
(305 m MSL)
navigation
336°
navigation
225°
navigation
315°
navigation
310°
US-5603
Fort Benton Reservation Airport
47° 48′ 51″ N 110° 39′ 14″ E
/
2’638 ft
(804 m MSL)
navigation
36°