KUON GEO

Lethe Vallis

Vallis, valles · 236.7 km across · 3.16°, 154.97° · Mars
谷・差し渡し約236.7km

WHY THAT NAME · なぜその名前か

River in Katmai National Monument, Alaska, USA.
Source of the name: United States (North America) · Approved by the IAU 2006 · Other features named after United States

SEE IT · 地図で見る

Elevation here was measured by laser from orbit (MOLA), and the night-time infrared comes from THEMIS.
Open the map centred on Lethe Vallis

NEAREST NAMED FEATURES · 近くの地名

What stands next to a place tells you what kind of place it is.
Elysium Planitia 平原17 km
Zephyria Fluctus 地形148 km
Zephyria Planum 台地262 km
Athabasca Valles 谷319 km
Persbo クレーター340 km
Laestrygon (Laestrigon) 地形352 km
Quthing クレーター374 km
Wafra クレーター386 km
Great-circle distances on a sphere of radius 3,396.19 km.
Names and their origins come from the IAU Gazetteer of Planetary Nomenclature (USGS Astrogeology), retrieved 2026-08-14.
All named features ｜ KUON MARS map ｜ About the map ｜ The temperature on Mars ｜ How far away Mars is
DATA: IAU / USGS Astrogeology · NASA MGS MOLA · NASA Mars Odyssey THEMIS