Vhagar is enormous: the dragon is widely described as the largest living dragon in House of the Dragon , with estimates around 90 meters long and a wingspan of about 150 meters. Some sources also note that she was the second- largest dragon ever known in Westeros, only behind Balerion.

Quick Scoop

Vhagar isn’t just “big for a dragon” — she’s the heavyweight of the Targaryen era, old enough and massive enough to tower over most other dragons in the story. One estimate puts her at roughly 150 meters long, and another gives her a wingspan near 150 meters, which is why she’s treated as a near-legendary beast in fan discussions and dragon rankings.

Size context

  • Bigger than Drogon, by a lot.
  • Commonly ranked as the largest dragon active in the House of the Dragon timeline.
  • Often described as close to Balerion’s legendary scale, but still likely smaller than Balerion at his peak.

Why fans talk about her

Vhagar’s size matters because it changes every scene she’s in: she’s not just a mount, she’s basically a living siege weapon. That’s also why she keeps coming up in rankings, comparisons, and recent dragon guides tied to the show’s ongoing popularity.

TL;DR

Vhagar is gigantic — think roughly 90 meters long, about 150 meters wingspan, and generally considered the biggest dragon in House of the Dragon.