Sakelidrano

Ny renirano John Day dia sakelidraon' ny ony Columbia.

Ny sakelidrano dia korian-drano madinika kokoa (renirano, ...) mivarina any amin' ny renirano na any amin' ny ony.

Jereo koa

Ranomasira

• Ranomasina
• Hoala
• Helodrano
• Andilan-dranomasina

Ranovory

• Farihy
• Dobo
• Heniheny
• Honahona
• Riakasia

Ranomandeha

• Renirano
• Ony
• Sakelidrano
• Loharano