Bad sign.
Dream dictionary: ravine falling into it dream meanings
…(Valley) Seeing a ravine or a valley with a dry watercourse in a dream means going on a tiering trip, taking a longjourney, or it could represent an intractable person. Seeing a wadi in a dream denotes good deeds, or making offerings to please God Almighty. A wadi in a dream also represents its dwellers, a tribe from that region, or its plantations. If one sees the wadi blossoming with fruit trees, fragrant flowers, a running water course, or if one hears nice words during such a dream, it means that he will rise in station, or mingle with people in power, or receive an appointment in the government, and for a righteous person, it means that miraculous events and blessings will be shown at his hands by God’s leave. Seeing a wadi in a dream also means rain, and that the ravine will be filled with rainwater. A…