Loudoun County Big Tree Registry
Loudoun County
Updated Oct 10, 2026
About this dataset
<p>The Big Tree Registry is a list representing some of the largest trees in Loudoun County. Candidates for the Big Tree Registry qualify based upon three characteristics:</p><ul><li>Tree Height</li><li>Trunk Circumference</li><li>1/4 of the Average Crown Spread</li></ul><p>Once collected, this data is added to create the trees’ total points which are then ranked by species.</p><p style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:Verdana; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>Our registry includes big trees on both public and private land. For more information or to nominate a tree please visit <a style='border:0px solid currentcolor; box-sizing:border-box; color:rgb(0, 97, 155); font-family:inherit; line-height:1.5; text-decoration:none;' target='_blank' href='https://www.loudoun.gov/bigtreeregistry' rel='nofollow ugc noopener noreferrer'><span style='color:rgb(82,82,254); font-family:inherit;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;'>The Big Tree Registry.</span></span></a></p><p style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:Verdana; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>Take a <a target='_blank' href='https://storymaps.arcgis.com/stories/9c542dd3b8844863a934989b0ade5765' rel='nofollow ugc noopener noreferrer'>virtual tour of featured trees</a>.</p><p style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:Verdana; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>Explore Big Trees on the <a target='_blank' href='https://loudoungis.maps.arcgis.com/apps/instant/sidebar/index.html?appid=6af19d87ce774bbf8a3b5d95a18cff2f' rel='nofollow ugc noopener noreferrer'>interactive map</a>.</p>
Data and resources (2)
- HTML
ArcGIS Hub Dataset
Modified May 10, 2026
- ArcGIS
ArcGIS GeoService
Modified May 10, 2026