Route nationale 6 (RN6) is a primary highway in Madagascar of 706 km, running from Antsiranana to Ambondromamy. It crosses the regions of Diana and Sofia. It was paved in 1992.^[1]

Most parts of this road are paved and well maintained but there are some unpaved sections in a very bad shape.^[2][3]

• Antsiranana
• Tsingy Rouge
• Anivorano Nord
• Ambondromifehy^[4]
• Ankarana Reserve (Tsingy d'Ankarana) - at Mahamasina
• Ambilobe - (junction with RN5a to Vohémar and Sambava)
• Ambanja - (Manongarivo Reserve at 35 km from Ambanja).
• Mahamanina Falls
• Maromandia
• Antsohihy (junction with RN 31 to Bealanana) and RN 32 to Mandritsara)
• bridge over the Sofia River.
• Port Berge (Boriziny)
• Mampikony
• Ambondromamy- (junction with RN4 (Mahajanga - Antananarivo)

• 
  Tsingy Rouge
• 
  RN6 at Sadjoavato
• 
  RN6 at Antsakoabe
• 
  Tsingy d'Ankarana
• 
  Ambilobe
• 
  Rond point d'Antsohihy

• List of roads in Madagascar
• Transport in Madagascar

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