From which mountain did Moses view the Promised Land before he died?

Answer: Mount Nebo

Moses went up from the plains of Moab to Mount Nebo, to the top of Pisgah facing Jericho, where the LORD showed him the land.

“Then Moses went up from the plains of Moab to Mount Nebo, to the top of Pisgah, which faces Jericho. And the LORD showed him the whole land—from Gilead as far as Dan,”— Deuteronomy 34:1 (BSB)