Specimen Sheet · Vital Statistics
Classification · Terrain & Access
Field chart.
§ 02 · Flying Conditions · Field NotesUpdated 2026·03·21
The Bentonite Hills appear as softly-contoured, banded hills in varying hues of brown, red, purple, gray, and green. The hills are composed of the Brushy Basin shale member of the Morrison Formation. This layer was formed during Jurassic times when mud, silt, fine sand, and volcanic ash were deposited in swamps and lakes. Bentonite clay (altered volcanic ash) absorbs water and becomes very slick and gummy when wet, making vehicle or foot travel difficult or impossible. Repeated cycles of absorbing water and then drying results in a popcorn-like appearance on the clay's surface.
There are no trails through the Bentonite Hills. The surface is easily damaged; scars from footprints and tire tracks take many years to heal. Please only drive on the road and limit foot travel to firm, previously disturbed areas and wash bottoms.
Remember to leave no trace of your visit.
Has 5 different launch points. The best wind direction is 289.6 @ 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 , all dependent on current weather conditions.
§ 03 · Wind Window · Best Operating EnvelopeWNW · 290° ±0°
Chase the Wind
Nearest weather station to Bentonite Hills. Select any row to see which launches are in wind, then set your MSFS world clock to that UTC time.
Hanksville Arpt, UT, US
13:43 UTC
38 km from site
Wind
Calm
0 kt
Ceiling
Clear
10+ sm vis
Calm · 0 kt · 13:43 UTC
Select a time to check launches
Jan 21
Weather at , 38 km from Bentonite Hills. 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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