- Elevation
- 1,229 m
- Tallest summit within 25 miles
- Horn Mountain1,435 m · 17.8 mi
- Sunset, June solstice
- 20:59local time
- Coordinates
- 45.4653, -106.5953
Rondeau Spring is a spring in Montana, at a recorded 1,229 m. Horn Mountain stands 1,435 m to the southwest, 18 miles off. The nearest named place is B Heart Spring, a spring 1.4 miles away. 107 named places lie within 25 miles, 25 of them named summits.
- Elevation
- 1229 m
Summits around it
The highest named summits within 25 miles of Rondeau Spring. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Horn Mountain | SW 233° | 1,435 m | 17.8 mi |
| Sarpy Mountains | WNW 304° | 1,380 m | 22.6 mi |
| Busby Butte | W 280° | 1,379 m | 13.8 mi |
| Buffalo Jump | SW 229° | 1,376 m | 24.6 mi |
| Half Moon Hill | SW 224° | 1,374 m | 23.6 mi |
| Cook Creek Butte | WSW 251° | 1,368 m | 6.8 mi |
| Chalky Point | NW 320° | 1,356 m | 23.5 mi |
| Badger Peak | N 10° | 1,344 m | 12.5 mi |
107 named places within 25 miles
- B Heart Spring: 1.4 mi
- Elliot Spring: 1.9 mi
- Black Eagle Spring: 2.2 mi
- Station Spring: 4.5 mi
- Spang Spring: 6.6 mi
- Cook Creek Butte: 6.8 mi
- Fisher Butte: 7.3 mi
- Browns Mountain: 9.7 mi
- Badger Peak: 12.5 mi
- Battle Butte: 12.6 mi
- Buffalo Jump: 4.5 mi
- Cheyenne Indian Museum: 18.1 mi
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:10 | 18:40 | 19:19 |
| June solstice | 05:19 | 20:14 | 20:59 |
| September equinox | 06:54 | 18:27 | 19:06 |
| December solstice | 07:44 | 15:37 | 16:26 |
Local time (America/Denver).
Months averaging 50–80 °F: May–Sep.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 21 | 24 | 35 | 44 | 53 | 63 | 71 | 69 | 59 | 45 | 33 | 23 |
| Precip in | 0.7 | 0.7 | 0.9 | 1.7 | 2.7 | 2.1 | 1.4 | 1.0 | 1.6 | 1.5 | 0.8 | 0.6 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Busby, 18 mi away.
Months at or above the year’s average flow: May–Jul — fullest in Jun, leanest in Jan.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean cfs | 160 | 173 | 222 | 282 | 699 | 1,380 | 584 | 380 | 302 | 231 | 213 | 169 |
USGS monthly mean discharge at gauge Tongue R at Birney Day School Br nr Birney MT, 8 mi away — the nearest gauge, which can sit on a different stream.
Location and category confirmed against OpenStreetMap.
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