Department of Cultural Affairs

According to Article 2 of the Taipei City Tree Protection Act, trees inside the city limits of Taipei are designated as protected trees if they meet one of the following criteria:
1. Trees with a diameter at breast height (dbh) of 0.8 meters or greater.*

2. Trees with a circumference at breast height (cbh) of 2.5 meters or greater.*

3. Trees 15 meters in height or taller.

4. Trees 50 years of age or older.

5. Trees or other plants (including groves of trees, hedges and vines) that are rare; ecologically, biologically or geographically representative; or significant for the local community, history or culture, and have been recognized as such by the Taipei City Government.

*“Diameter at breast height” and “circumference at breast height” are, respectively, the diameter and circumference of a tree measured at 1.3 meters above ground level.