The Master Tree Stewards have created tree trails in several Union County parks, including:
- Oak Ridge Park in Clark (trails starts near the east end of the parking lot)
- Briant Park in Summit
- Cedar Brook in Plainfield
- Echo Lake Park in Mountainside
- Echo Lake Extension (trail starts behind the Mountainside municipal building)
- Lenape Park (trail is located to the east along the Kenilworth dike)
- Meisel Park in Springfield
- Nomahegan Park in Cranford
- Phil Rizzuto Park in Elizabeth
- Rahway River Park in Rahway
- Sensory Friendly Trail in Mountainside
- Warinanco Park in Elizabeth