Possible Clues:

• Mauna __ (Hawaiian peak)
• Mauna ___ (active volcano)
• Mauna ___ (Aloha State volcano)
• Mauna ___, Hawaii
• World's largest volcano, Mauna ___
• 'Aloha nui ___' (warm greeting in Waikiki)
• ''Aloha nui __'' (Hilo signoff)
• Chilean river
• Mauna --- (Hawaiian volcano)
• Mauna follower, in a volcanic name