The Reed Research Reactor (RRR) (45°28′50″N 122°37′48″W / 45.4806°N 122.6301°W) is a research nuclear reactor located on-campus at Reed College in Portland, Oregon. It is a pool-type TRIGA Mark I reactor, built by General Atomics in 1968 and operated since then under licence from the Nuclear Regulatory Commission. The maximum thermal output is 250 kW. The reactor has over 1,000 visitors each year and serves the Reed College departments of Physics and Chemistry, as well as other departments.[1]