Venus Chart

Rank	Feature Name	Type	Size	Region	Notes
1	Maat Mons	Shield Volcano	8 km high, 395 km base	Atla Regio	Tallest mountain, possible recent activity
2	Sapas Mons	Broad Shield Volcano	400 km wide	Atla Regio	Massive radial lava flows
3	Sif Mons	Shield Volcano	~300 km base	Western Eistla Regio	Evidence of lava and caldera activity
4	Artemis Corona	Corona/Caldera	2,600 km wide	Aphrodite Terra	Largest corona on Venus; possible supervolcano or planetary overturn
5	Ammavaru	Volcanic Rise	~300–500 km wide	Southern Hemisphere	Potential ancient supervolcanic flows
6	Ozza Mons	Shield Volcano	3 km high, 500 km base	Atla Regio	Considered still active
7	Themis Regio	Dome Volcano / Plains	~1,000 km across	Themis area	Volcanic uplifts across broad dome
8	Imdr Regio	Volcanic Highland	~800–1000 km	Southern Hemisphere	Likely ancient volcanic mega-plate