The water level in Lake Washington dropped an average of nine feet in 1916, when the complete set of canals and locks for increased shipping were completed. Much more land around the edges of Union Bay was then exposed, all of it soft and boggy. The City of Seattle had long used the low spots in various parks as dump sites, which is why artifacts are often found in low areas throughout Washington Park Arboretum.
Read more »Citizen scientists and experts join forces to inventory species at the UW Botanic Gardens BioBlitz!
Read more »For many years, Lake Washington and correspondingly, Union Bay, had quite variable levels throughout the year.
Read more »In preparation for scheduled landscaping work on Foster Island Washington Department of Transportation will conduct archeological evaluations on Wednesday, December 18.
Read more »You may recall that last spring’s BioBlitz in the Washington Park Arboretum resulted in some interesting finds, thanks to the efforts of more than 100 citizen scientists, university students and professionals. One of those discoveries may be a new Philodromus crab spider. Continue reading
Read more »The Washington State Department of Transportation (WSDOT) is conducting a cultural resources study on Foster Island as part of the I-5 to Medina: Bridge Replacement and HOV Project. This important safety and mobility project will build a safer floating bridge and give new options to people crossing Lake Washington. Foster Island Study Fact Sheet
Read more »