Mount Gretna, PA
Mount Gretna wildfire risk explained
Out of every US place USFS scores, Mount Gretna lands at the 30th percentile for wildfire risk to structures — close to the middle of USFS's national wildfire-risk range — a figure built from its 78 buildings, not the land around them. (Source: USFS's Wildfire Risk to Communities methodology.)
USFS's separate burn-probability score — fire likelihood alone, before counting what's built there — puts Mount Gretna at the 27th percentile, close to its 30th-percentile risk score.
What "at risk" means for the buildings here
100% of Mount Gretna's 78 buildings sit in USFS's Direct exposure zone, roughly 78 structures close enough to burnable vegetation for flame contact, not just embers — 0% fall in the Indirect, ember-only zone and 0% are Minimal.
Mount Gretna against the rest of the country
Mount Gretna's risk sits at a similar level relative to Pennsylvania (39th percentile statewide) as it does nationally (30th) — this place isn't unusual for its own state either way. Among the 31,521 US communities USFS scores, Mount Gretna ranks 22,041 for wildfire risk (1 is highest) and 29,985 by building count (1 is largest). Within Pennsylvania alone, it ranks 1,225 of 1,991 places by risk. See the full county-by-county picture for Pennsylvania on its state page.
Mount Gretna and the insurance market
Mount Gretna's moderate rating (30th percentile nationally) sits outside the range where wildfire risk alone reshapes an insurance market — still, a homeowner here loses nothing by comparing rates.
Hardening a home in Mount Gretna
Mount Gretna's 100% Direct-exposure share means lot clearing around the structure typically outweighs any single material upgrade here. The home-hardening guide ranks the options for a place shaped like this.
Where Mount Gretna's figures come from
Every one of the two percentiles behind Mount Gretna's 22,041-place national rank traces to USFS's Wildfire Risk to Communities dataset — see the methodology guide. The exposure-zones guide covers what Mount Gretna's dominant direct exposure actually means, with real examples from across the dataset.