Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes[2] that can be distinguished from legless lizards by their lack of eyelids and external ears.We can get rid of diifferent types of techniques.

Thickly-planted gardens,Mulch (especially straw mulch) in the gardens,Tall grass (you mentioned your grassy hill–prime snake habitat),Bird feeders (which attract mice & insects, which attract snakes),Ground-level water sources (birdbaths, ponds, puddles, etc.),Compost piles,Wood and brush piles (any wood on the ground where they can hide)Ground-level access to buildings — under the porch, garage, crawlspace