Don't be tempted by 'mole deterrent systems', they do not work, and don't use 'live catch' tubes unless you are able to inspect every four hours or the moles will suffer.
Facts & Tips
First determine which type of tunnel to set the scissor mole trap in. If the ground is being forced up in long meandering lumps just under the surface of the turf or soil, you've selected the correct trap.
If there are lots of mole hills visible dotted all over you need the Tunnel type mole trap
To set your trap: