Answer: sanddune

AnswerCrossword Clue
SANDDUNEShore formation
SANDDUNEHill in the desert
SANDDUNEGobi feature
SANDDUNEHill at the beach
SANDDUNEDesert hill
SANDDUNECape Cod sight
SANDDUNEDesert formation
SANDDUNEDesert sight
SANDDUNESaharan sight
SANDDUNESahara feature
SANDDUNEMoroccan mound