Possible Clues:

• Madre or Mist lead-in
• -- Nevada mountains
• S; mountain chain
• -- Mist (soft drink brand)
• Ace is going the wrong way, mistake being admitted in mountain range
• Spanish mountain chain
• 'High ___,' 1941 film
• -- Club, a North American environmental group founded in 1892
• ___ Club (conservation group)
• I wander among peaks of South American mountains