Possible Clues:

• Mauna -- (Hawaiian volcano)
• Mauna -- (Hawaiian peak)
• 'Aloha nui ___'
• 'Aloha nui ___' (Hawaiian sign-off meaning 'lots of love')
• Aloha nui __: affectionate Hawaiian phrase
• Hawaii's Mauna ___ Observatory
• "Long," in Hawaiian
• Mauna __: Hawaiian for "long mountain"
• Mauna __: Hawaiian for 'long mountain'
• Hawaii’s Mauna ___