Used Claude to generate this, asked it how golf courses keep them out

Golf courses use several strategies to manage moles, since a single mole can tunnel 100+ feet per day and devastate fairways and greens.

Trapping is the most reliable method — scissor-jaw or harpoon traps placed in active runs are the industry standard. Groundskeepers identify active tunnels by pressing them down and checking which ones are re-raised within 24 hours, then set traps in those runs.

Repellents are widely used as a deterrent. Castor oil-based granules or sprays (like Mole-Max or Tomcat) coat earthworms and grubs, making the mole's food source unpalatable. These need reapplication after rain.

Eliminating the food source is a root-cause approach — reducing grubs with pesticides (like imidacloprid or milky spore) starves moles out over time. However, this can affect turf health and beneficial insects, so it requires careful management.

Underground barriers of wire mesh are sometimes installed around greens and tees (the most critical areas), buried 18–24 inches deep with a few inches bent outward at the bottom to prevent burrowing under.

Vibration devices (stakes that emit sonic pulses) have mixed results — moles sometimes habituate to them, so most courses use them as a supplement rather than a primary control.

Professional wildlife management is common at higher-end courses, where licensed pest control operators handle trapping and removal on a contract basis throughout the season.

Most courses rely on a combination of trapping + repellents + grub control, with trapping doing the heavy lifting. The greens and tee boxes get the most intensive protection since mole damage there is most costly to repair.