SEEDS: Students for Education, Empowerment, & Direct Service
Find an Opportunity
Searchable Databases
VolunteerMatch.org
Plug in a zip code anywhere in the county to be linked to local volunteer opportunities.
Hands On Portland
If you are staying in Portland, this site has many one-day as well as some on-going opportunities. Check out their "Project Calendar" for easy one-time opportunties.
Idealist.org
Search for volunteer positions both nationally and internationally.