Many bluffs are naturally unstable because of soil, slope, and water conditions.
Most slope failures are directly related to the buildup of water in the soil.
Development activities, such as clearing vegetation and modifying site drainage, can make erosion worse. Get to know and understand your property and the nature of erosion on the bank before you do anything. Often this means getting a geologist to evaluate the situation. Engineered structures such as bulkheads and retaining walls. Other approaches such as beach nourishment or bioengineering.