Photos of Boösaule Montes.
Voyager 1 view of South Boösaule Montes rising above Io
(NASA/JPL/USGS (Voyager 1))
Quick facts- Tallest mountain on Io at ~18 km
- A tectonic mountain, not a volcano
- Steep southeastern cliff up to 15 km high
- Spans about 145×159 km
- Sits beside the giant volcano Pele
Routes (1)
- Standard Route — Class 6 (Io environment; spacecraft & pressure suit required)
The standard ascent of this tectonic mountain (uplifted crust) gains roughly 59,700 ft of vertical relief. There are no technical cruxes — the entire difficulty is logistics, cold, and a hard vacuum (or near-vacuum).
Recorded ascents: 0 — be the first.
Trip Reports (0)
No trip reports yet. No human or robot has stood on this summit. Be the first to summit and post one!
Map
Near Io's equator, just northwest of the volcano Pele — 9.7° S, 88.9° E.

NASA – Io
Conditions — Boösaule Montes
No breathable air, sulfur-dioxide frost, 300 km-high volcanic plumes, and a lethal bath of Jovian radiation. Io is the most volcanically active world in the solar system.
Summit: 59,700 ft (17.5–18.2 km above the plains).