Woman walking at the bottom of a canyon with sandstone walls in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

woman canyon sandstone nature reserve exploration alula saudi arabia rock formations landscape greenery hiking outdoor adventure medina province travel scenery majestic cliffs serenity sunlight wilderness rocky terrain natural beauty scenic view solitude path environment geology trekking tourism culture ancient discovery breathtaking flora fauna peaceful oasis walls geological features unique hike