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These cameras are located on the Prospect Hill Tract of the Harvard Forest, and also on our new farm adjacent to Prospect Hill. They are part of a network called Phenocam that links hundreds of webcams across the US and Canada to study seasonal changes in vegetation. Click on any image below to get the current larger image.  Images are updated every 30 minutes during daylight hours.

Barn Tower
Camera height is 40 meters. View is toward the northeast.
Barn Tower 2
Camera is mounted on the Barn Tower at a height of 40 meters and pointed toward the ground.
Below Canopy
Camera is mounted on the EMS Tower at a height of 15 meters and pointed toward the ground.
EMS Tower
Camera height is 30 meters. View is toward the north.
Harvard Farm North
Camera height is 10 meters. View is toward the northeast.
Harvard Farm South
Camera height is 10 meters. View is toward the northeast.
Harvard Forest Common Garden
Camera height is 3 meters. View is toward the west.
Hemlock Tower NE
Camera height is 25 meters. View is toward the northeast.
Hemlock Tower SW
Camera height is 30 meters. View is toward the southwest.
Little Prospect Hill Tower
Camera height is 30 meters. View is toward the north.
NEON Bottom of Tower
Camera height is 3 meters. View is toward the east.
Neon Top of Tower
Camera height is 40 meters. View is toward the north.
Witness Tree
Camera is mounted at ground level (0.8 meters) and pointed upward.

"Phenology"—the scientific focus of these webcams—investigates the seasonal rhythms of plants and animals. Plant phenology, including when leaves emerge in the spring and change color in the autumn, is a sensitive indicator of how a changing climate is changing natural ecosystems. Long-term phenological observations across a wide geographic range, such as those provided by this project, are important to our understanding of climate change in forests.

This project informs a suite of phenology studies at the Harvard Forest and engages Harvard faculty, undergraduate researchers, and others. For more details and an archive of past images - visit the Data Archive.

Learn more about the science of leaf color change.