Specimen Sheet · Vital Statistics
Classification · Terrain & Access
Field chart.
§ 02 · Flying Conditions · Field NotesUpdated 2026·03·21
The Twin Sisters Peaks are mountains in Colorado, located in the Front Range in Larimer County, Colorado, straddling Rocky Mountain National Park and Roosevelt National Forest
Has 1 different launch points. The best wind direction is 28.4 @ 10 knts but many sites can be flown from multiple directions, so check before you fly.
You can expect to find: thermal conditions ridge soaring conditions cross country potential , all dependent on current weather conditions.
§ 03 · Wind Window · Best Operating EnvelopeNNE · 028° ±0°
Chase the Wind
Nearest weather station to Twin Sisters Peaks. Select any row to see which launches are in wind, then set your MSFS world clock to that UTC time.
Granby/Grand Cnty, CO, US
13:43 UTC
16 km from site
Wind
S 170°
4 kt
Ceiling
OVC 0 ft
10+ sm vis
S 170° · 4 kt · 13:43 UTC
Select a time to check launches
Jan 21
Weather at , 16 km from Twin Sisters Peaks. Mountain conditions may differ — this is a clue, not a forecast. Adjust sim time on site until conditions feel right.
§ 07 · Location · Field CoordinatesWGS-84
§ 09 · Recent Flights · Log Book
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