• Views from Penobscot Mountain summit.

    Acadia

    National Park Maine

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  • Trail Closure: Gorge Path weekdays, 7 am - 4 pm

    The section of the Gorge Path between the Hemlock Path intersection and the A. Murray Young Trail intersection is closed until rehabilitation work is completed. The closure will be in effect Mondays through Fridays only, from 7 am to 4 pm.

  • Construction updates

    Construction is continuing throughout the park. More information can be found on our Temporary Closures page. More »

Links to Real-Time Monitoring Data from Acadia NP

ACAD WebcamThumbnail

View images (updated every 15 minutes) and current air quality and meteorology data from the McFarland Hill air quality monitoring station on the webpage for the Acadia National Park visibility webcam:

http://www.nature.nps.gov/air/webcams/parks/acadcam/acadcam.cfm

 
Thumbnail of Acadia's CAMNET visibility camera webpage

View images of Mount Desert Island (updated every 15 minutes) and current meteorology and air quality data from the Schoodic Education and Research Center on the webpage for the Acadia's CAMNET visibility webcam:

http://www.hazecam.net/camsite.aspx?site=acadia

 
USGS stream gage at Otter Creek

USGS stream gage site 01022840 Otter Creek near Bar Harbor, Maine

NPS photo

The U.S. Geological Survey (USGS) maintains a stream gage at Otter Creek in Acadia NP and another at Old Mill Brook, near the park. These gages measure the stage (water level) and discharge (volume of streamflow) of the streams every 5 minutes.

View Otter Creek streamflow data

View Old Mill Brook streamflow data

 
Graph of groundwater level

Graph of data from USGS groundwater well

The U.S. Geological Survey (USGS) maintains a ground water monitoring well at Acadia National Park's McFarland Hill air quality monitoring station, and another on the Crooked Road, near the park. Instruments in these wells record the groundwater level twice an hour.

View McFarland Hill groundwater level data

View Crooked Road groundwater level data

Did You Know?

From atop Cadillac Mountain, the sun is just starting to rise over the Porcupine Islands.

Cadillac Mountain in Acadia National Park is the tallest mountain along the eastern coast of the United States. During certain times of the year, it is the first place in the U.S. to see sunrise.