Mole Control in Great Falls, MT

That's usually a mole. Here's how to tell what you have, and what works. Raised ridges and dirt mounds in your Great Falls lawn?

Great Falls, Montana cityscape
Great Falls at a glance
14 in.rain a year
57%average humidity
13°Ftypical winter low
85°Ftypical summer high
The short version

True moles are rare here; check for gophers or voles. Find an active tunnel, then trap it. Repellents and sonic stakes rarely work.

  • Usually one to three moles.
  • Find an active runway first.
  • Traps work best; repellents rarely do.
  • Moles eat earthworms, not plants.
  • Fix the lawn after trapping.

Anyone in Great Falls watching their lawn get dug up.

What to look for

They hunt earthworms and grubs. Moles don't eat plants. One mole can dig a lot of tunnel. Gophers and voles here are busiest in spring and fall. Their tunnels lift turf, dry out roots and trip people up.

  • Raised ridges across the lawn.
  • Round, volcano-shaped dirt mounds.
  • Spongy patches underfoot.
  • Tunnels along walkways and beds.
  • Fresh mounds after rain.
  • Dead turf strips over tunnels.

Why it’s worth acting soon

  • Tunnels spread across the lawn.
  • Mounds make mowing harder.
  • Ridges become trip hazards.
  • New moles move into empty tunnels.
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Is it a mole problem?

Treatment options and typical costs

Runway Identification and Activity Survey

$75–$200

In Great Falls, a survey also looks at what is feeding the moles: soil moisture, worm density, and grub activity. Ridges along foundations, walks, and bed edges usually mark main runways. Mapping them first avoids traps in dead tunnels.

Time
45–90 minutes
Best for
Every job; trapping fails without it

Active-Runway Trapping

$150–$400 per visit; multi-visit plans $300–$900

Trapping in Great Falls is a process rather than a one-time visit. Sets are checked, moved, and repeated until activity stops. Providers around Great Falls usually price this as a plan with a set number of visits.

Time
30–60 minutes per visit, over several visits
Best for
Most yards; the most reliable method

Follow-Up Monitoring

$50–$150 per visit; often included in plans

Monitoring visits in Great Falls are short but important. The provider rechecks flattened tunnels, looks for new mounds, and resets traps on any Great Falls runway that reopened. Many Great Falls plans include one or two of these visits by default.

Time
20–30 minutes per visit
Best for
Every trapping job; confirms the yard is clear

Mole-Labeled Baits

$100–$300 per application

In larger Great Falls properties where trapping every runway is impractical, mole-labeled baits can reach tunnels traps cannot cover. They go into active tunnels and the openings are closed. Pets and children should be kept off treated Great Falls runways per the label.

Time
30–45 minutes
Best for
Large or hard-to-trap areas; used exactly as labeled

Prices are typical published ranges. Ask what’s included before you compare quotes.

A garden bed edge with gloves and a flashlight on the stone border
Hardware cloth buried around beds keeps moles out of the places you care about most.

Which moles live around Great Falls.

Shallow runways through the grass point to voles. Both eat plants, so treatment differs from mole trapping. True moles are uncommon around Great Falls. Most lawn tunnels and mounds here are pocket gophers or voles. Pocket gophers eat roots and leave crescent-shaped mounds. Voles leave surface runways in the grass. If the mounds around Great Falls are crescent-shaped, it's a gopher.

When they tunnel.

Frozen ground in winter sends them deeper. Summer heat and drought also push them down.

A long raised ridge of soil running across a mowed lawn
Raised ridges are feeding tunnels just under the turf. Many are used once and abandoned.

Finding an active tunnel.

Look for fresh ridges and mounds after rain. Step down a short stretch of tunnel and mark it. Check it in a day or two. If it's raised again, it's active. Main runways often follow edges: walks, fences and beds. Around Great Falls, edges along walks and beds are the best bets.

A year of moles in Great Falls.

  • Summer: highs near 85°F in Great Falls push moles deeper. - Fall: a second burst near the surface. - Winter: lows near 13°F in Great Falls. Ground freezes; moles go deep. - Spring: peak tunneling. Best time to trap.

Mole, gopher or vole?

  • Gopher: crescent-shaped mounds with a plugged hole. - Vole: surface runways and small holes in the grass. - Damage: moles don’t eat plants; gophers and voles do. - Mole: raised ridges and round, volcano-like mounds.

What works, and what doesn’t.

  • Sometimes: labeled baits, used deep in tunnels. - Rarely: castor oil, sonic stakes, gum or flooding. - Rarely alone: grub control, since they mostly eat earthworms. - Works: traps set in active runways.

Protecting garden beds.

Raised beds can get a mesh floor before you fill them. It's work up front, but it lasts for years. Bury quarter-inch hardware cloth around beds, about two feet deep. Bend the bottom edge outward.

Lawn care that helps.

Healthy turf recovers from tunnels faster. Grub control alone rarely moves moles on. Water deeply but less often. Constantly wet lawns draw earthworms, and moles follow.

Signs the problem is over.

  • Stepped-down runways stay flat. - Traps stay untouched for several checks. - New ridges? Another mole may have moved in. - No new mounds for two weeks.

Choosing a trap.

  • Harpoon traps: set on top of a pressed-down ridge. - Tunnel traps: sit inside a dug-out runway. - Placement: main runways beat fresh feeding ridges. - Rules: check what your state allows first. - Scissor traps: set straddling an active runway.

Mole myths.

  • Castor oil: may move them briefly, not away. - Moles eat bulbs: no, voles using their tunnels do. - Many mounds, many moles: usually it’s one or two. - Flooding tunnels: they just dig new ones. - Chewing gum in tunnels: no evidence it works.

Moles aren’t all bad.

A mole in a field may be fine to leave. In a front lawn or garden, most people want them gone. Moles loosen and aerate soil. They eat grubs and other insect larvae.

Fixing the lawn afterward.

Water to settle the soil. Overseed bare spots in spring or fall. Wait until the mole is caught. Rake mounds flat and step ridges down.

Moles, kids and pets.

Baits must go deep in tunnels, exactly as the label says. Digging dogs can wreck a lawn faster than moles. Moles don't bite unless handled. Keep kids and pets away from traps.

What a mole visit looks like.

Traps go into the main runways. They check traps every day or two. The tech walks the lawn and maps the tunnels. They test which runways are active.

Moles, voles or gophers?

  • Voles: narrow surface runways through the grass. - Gophers: crescent-shaped mounds with a plugged hole. - Chipmunks: small clean holes with no soil around them. - Moles: raised ridges and round, volcano-shaped mounds.

Watering and moles.

Fix leaky sprinklers that leave soggy corners. Moles follow moist soil, where worms rise near the surface. Water deeply and less often instead of a little every day.

Flower beds and borders.

Press tunnels down firmly and water to settle the soil. Moles tunnel under beds looking for worms, not to eat plants. Plants wilt when their roots are left hanging in air pockets.

Questions to ask before you sign.

  • Which method will you use? - How often will you check traps? - What if another mole moves in? - Is lawn repair included? - Is it a mole, gopher or vole?

Moles by the numbers.

In Great Falls, moles do not eat plants; they tunnel for earthworms, grubs, and soil insects, and the ridges they leave behind are what most people notice. In Great Falls, tunnels often run just under the surface, with deeper nesting chambers below, and a single mole can maintain an extensive system across a yard. In Great Falls, because moles are solitary, several fresh ridges usually mean more than one animal. In Great Falls, before you hire, walk the yard and flatten a few ridges with your foot, then check back the next day — the ones that are raised again are the active runs a plan should target.

What affects the price

  • Mole-labeled bait applications added to trapping.
  • Lot size and number of active runways.
  • Single visit versus a multi-visit trapping plan.
  • Per-mole pricing versus per-visit pricing.
  • Number of follow-up rechecks included.
  • Provider type: wildlife operator versus lawn company.
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What bothers you most about moles?

When to call for help

if you can't find an active runway. Call if new mounds keep appearing for more than a week. A pro can usually catch the mole within a few visits.

What you can do yourself

Set the trap exactly as the instructions say. Trapping yourself can work. Skip sonic stakes, gum and flooding.

Moles in Great Falls

Winter lows near 13°F in Great Falls freeze the ground, so moles go deeper until spring. In Great Falls's neighborhoods, irrigated lawns and garden beds are favorite spots. Great Falls gets about 14 inches of rain a year, so moles favor watered lawns and shady beds.

Local research

Moles in Great Falls, MT: what the public record shows

Before you compare quotes, it helps to know which moles actually live in Montana, when they are busiest around Great Falls, and what the state figures look like. Everything below links to the agency or university page it came from.

Moles do not occur in Montana
Moles in Montana

Montana State University Extension's vertebrate pest key states this outright; the eastern mole is shown only for comparison.

Montana State University Extension Pesticide Education Program
Pocket gophers create fan-shaped mounds, rarely come to the surface, and eat plant roots
What is actually digging

Alfalfa is a favorite; fields can look like the ground exploded.

Montana State University Extension Pesticide Education Program
Vole trails cut in grass are less than 2 inches wide; holes are 1 to 1 1/2 inches wide and cluster in fields
Vole sign

Voles gnaw tree bark below the snow line, with marks running in different directions.

Montana State University Extension Pesticide Education Program

When moles are busiest around Great Falls

Spring thaw and fall. Great Lakes and Northeast: star-nosed moles favor wet ground; deep tunnels in frost.

Based on Great Falls’s semi-arid continental climate profile.

Montana burrowing complaints are pocket gophers, voles or ground squirrels; there is no mole to trap.

For context, nationally

Sources: Montana State University Extension Pesticide Education Program; Internet Center for Wildlife Damage Management; Virginia Cooperative Extension (Virginia Tech). Figures are quoted as the source prints them. How we check our sources

Simple ways to keep moles away

  • Edge beds with buried hardware cloth.
  • Check for fresh mounds after rain.
  • Act early in spring.
  • Fix tunnels only after trapping.
  • Skip sonic stakes and castor oil.
A clipboard checklist, floor plan, flashlight and tape measure
A quick sketch of where fresh mounds appear helps pinpoint the active runways.

Did you know?

Mole mounds have no hole; gopher mounds do

Moles are related to shrews, not mice

Questions people ask

Will moles come back after they are removed?

New moles can move into empty tunnels. Catching newcomers early keeps damage small.

Is the mole still in my yard?

Step down a short section of tunnel. If it's raised again in a day or two, it's active.

Why are moles in my yard but not my neighbor's?

Moist, loose soil full of earthworms draws them. Watered lawns and shady beds are favorites.

Will grub control get rid of moles?

Earthworms are their main food. Killing grubs alone usually doesn't move them on. Rarely.

Should I repair the lawn before or after trapping?

After. Fixing it first hides the tunnels you need to find.

Is the GopherHawk trap popular for moles?

In Great Falls, like any trap, it works only when set in an active run and checked often. In Great Falls, choose a trap you can set correctly and check daily, and focus on finding the active tunnel first. In Great Falls, the GopherHawk is a commonly discussed scissor-jaw trap, but popularity is not the same as effectiveness.

When are moles most active in Great Falls?

Spring and fall, especially after rain. Frozen winter ground sends them deep.

Are moles common in Great Falls?

Not very. Around Great Falls, gophers and voles cause most lawn damage.

Nearby cities

Related guides

Sources (5)

The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Mole Exterminator · Updated September 11, 2026 · How we write these guides

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Tell us what you’ve noticed.

  • Where you’ve seen moles or damage
  • When you first noticed it
  • Anything you’ve already tried