D&D 5E Starter set question

[Xantherion]

I was wondering what the highest CR , non npc, creature is in the adventure.

Thanks

Xantherion

 

[thalmin]

I was wondering what the highest CR , non npc, creature is in the adventure.

Thanks

Xantherion

CR 8

Spoiler

Young Green Dragon

 

[Nikosandros]

Spoiler

It's the young green dragon, CR 8

 

[GX.Sigma]

That's an outlier, though. Ignoring that, there is one CR 4 and a few CR 3.