NW 45 · Northwest

1200X25 (TURF–DIRT) 1.2% up S

Tree.

Brush.

Unattended. Recommend land Rwy 16, dep Rwy 34 when wind cond allow. No winter maint. Rwy not marked. Arpt lctd on a plateau 50´ to 75´ abv the river. Lctd in narrow winding river canyon. Rodent activity adj both sides of rwy. Stock and big game animals invof rwy.

208-756-2271

For CD ctc Salt Lake ARTCC at 801-320-2568. – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

1160X20 (DIRT–TURF)

Hill.

Trees.

Winter maint NA. Use at own risk; rwy short and challenging; ops by environment equipped experienced trained backcountry pilots rcmdd. Wildlife and livestock on and invof of rwy. Trees and trrn in acph area both ends. High density alt, ery mrng & late eve ops is rcmd durg summer months – amgr. Apt in canyon; timbered, high mt trrn all quads. Rwy 04–22 NE end first 400´ soft sand.

208-756-2271

For CD ctc Salt Lake ARTCC at 1-801-320-2568. – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

2500X75 (TURF–DIRT)

Tree.

Trees.

Unattended. Recommend land Rwy 22, tkf Rwy 04 when wind cond permit. Trees and high terrain on both ends of Rwy 04–22, requires a steep approach. Rwy 04–22 numerous additional obstructions on apch to both rwy ends. No winter maint. Recommended for experienced mountain pilots only. Rwy 04–22 edges and thlds marked with white rocks.

208-879-4101

For CD ctc Salt Lake ARTCC at 801-320-2568.

4100X200 (TURF–DIRT)

Trees.

Tree.

2700X140 (TURF)

Trees.

Trees.

Unattended. Extv rodent activity on both rwys. Arpt subj tempo CLOSED ery spring to soft rwys. Rwy end 25—first 300 ft of sfc is rough. Rwy 15–33 rough and uneven sfc. Rwy 07–25 and Rwy 15–33 thrs mkd and rwys outlined with yellow rocks—barely vsb. Rwy 15–33 has +2´ pipe and –2´ ditch across rwy North of Rwy 07–25 int; first 300´ of Rwy 33 clsd. +70 ft trees adj to all rwy edges. No fone avbl at arpt. Private Stone Breaker Arpt lctd 1 NM NE of Chamberlain USFS.

208-634-0600

For CD ctc Seattle ARTCC at 253-351-3694. CHAMBERLAIN USFS (See CHAMBERLAIN GUARD STATION on page 45) GREAT FALLS GREAT FALLS GREAT FALLS GREAT FALLS NW, 3 SEP 2026 to 29 OCT 2026