Are ticks a problem in Yellowstone National Park?

There have been 18 tick reports near Yellowstone National Park, PA, with 0 bites and 18 sightings. The most common species reported is the Unidentified. Check the Tick Map for the latest 2026 tick activity.

What kind of ticks are in Yellowstone National Park?

The most commonly reported tick species in Yellowstone National Park include Unidentified. Each species carries different disease risks — see our species guide for identification help.

Tick Map

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Ticks in Yellowstone National Park, PA

18 tick reports from the Yellowstone National Park, PA area.

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Total Reports

Sightings

Bites

Species Found in Yellowstone National Park

Unidentified18 (100%)

Tick Safety in Yellowstone National Park

Ticks are active in Yellowstone National Park, PA and surrounding areas. The most commonly reported species is the Unidentified, making up 100% of reports.

✓Wear light-colored clothing when walking in wooded areas or tall grass
✓Use EPA-registered tick repellent (DEET, picaridin, or IR3535)
✓Do a full-body tick check after being outdoors — especially behind ears, hairline, and waistband
✓Shower within 2 hours of coming inside
✓If bitten, remove the tick with fine-tipped tweezers and monitor for symptoms for 30 days