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Out in the world · Pennsylvania

Pennsylvania
champion trees.

Remarkable trees, a place to begin. Explore the register, get to know the species, and bring a little attention outdoors.

445 listed records445 records with map points67 Library species represented
Explore the Pennsylvania map →Register & coverage ↓

The register behind the map

Dates, sources & coverage.

October 2026 extraction · score-based leaders

Tree program ↗Published register ↗

445 records are included in this imported selection. 445 have approximate map points; 0 remain searchable without a marker. Multiple trees can share one town or county point.

Register editions, retrieval dates, and individual measurement dates describe different things. This snapshot does not confirm current tree condition. Approximate map points do not locate individual trees or establish permission to visit.

How this register was selected and mapped

The Pennsylvania Forestry Association’s PA Big Trees register, using the supplied October 2026 extraction. All 1,520 public listing records were compared by source genus and species category, retaining each maximum published score. Source categories include species, hybrids, cultivars, varieties, and forms; their original names are preserved. These are derived state-leader candidates, not an independently certified champion-only roster.

All 445 records use 48 approximate county points from the Census Bureau’s 2025 Counties Gazetteer. Published addresses remain in record details and searches; markers do not locate individual trees, and visiting permission is not inferred. Each record links to its original PA Big Trees page.

Details were checked for 384 included records. The remaining 61 retain public listing names, places, scores, dates, and flags, while unavailable measurements remain blank. Two source concerns are visible in their details: the London plane’s unusually large published circumference, and the Chestnut Oak’s report of severe decline. Source values are retained without correction. January 1 measurement dates may be legacy year placeholders; the snapshot does not establish current tree condition or eligibility.

Full source links on the shared map →

A glimpse of the register

Look up. Look closer.

These are four of the highest published heights in this imported selection, when available. Measurements come from different dates; this preview creates no new champion or national titles. Open a record for its status, measurement context, and source notes.

Philadelphia County

Tulip Poplar

Liriodendron tulipifera

Published height
132 ft
Published points
405

Date in record: January 7, 2023

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Clarion County

Canadian Hemlock

Tsuga canadensis

Published height
131 ft
Published points
350

Date in record: January 1, 2013

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Delaware County

Red Oak

Quercus rubra

Published height
127 ft
Published points
395

Date in record: January 1, 2020

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Warren County

Larch

Larix decidua

Published height
125 ft
Published points
265

Date in record: January 1, 2005

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From a record to a relationship

Get to know the trees.

These Library species appear in Pennsylvania’s imported register. Explore identification, seasonal observations, and a practice beside a tree. Photographs are species references taken elsewhere. Matches use scientific names without regard to capitalization; botanical synonyms remain separate.

A place to begin outdoors

Plan a thoughtful visit.

We have not published a Pennsylvania visit guide yet. Start with a tree you can visit with permission nearby, or explore our guides in other states.

A five-minute practice with any tree →Explore available visit guides →
Open the Pennsylvania map →Return to a familiar tree →