In geology, a boulder (or rarely bowlder) is a rock fragment with size greater than 25.6 cm (10.1 in) in diameter. Smaller pieces are called cobbles and...

Boulder is a home rule city in and the county seat of Boulder County, Colorado, United States. With a population of 108,250 at the 2020 census, it is...

Bouldering is a form of free climbing that is performed on small rock formations or artificial rock walls without the use of ropes or harnesses. While...

Boulder Dash may refer to: Boulder Dash (video game), a 1984 video game Boulder Dash (roller coaster), a wooden roller coaster Balderdash (disambiguation)...

Boulder River may refer to: The Boulder River (southwestern Montana), a tributary of the Jefferson River in Jefferson County, southwestern Montana in...

The University of Colorado Boulder (CU Boulder, CU, or Colorado) is a public research university in Boulder, Colorado, United States. Founded in 1876,...

March 22, 2021, a mass shooting occurred at a King Soopers supermarket in Boulder, Colorado, United States. Ten people were killed, including a local on-duty...

of the 2020 census, the population of Boulder City was 14,885. The city took its name from Boulder Canyon. Boulder City is one of only two places in Nevada...

40°05′N 105°22′W / 40.09°N 105.36°W / 40.09; -105.36 Boulder County is a county located in the U.S. state of Colorado of the United States. As of the...

Boulder Creek may refer to: Boulder Creek, Queensland, a locality in the Rockhampton Region, Queensland Boulder Creek (British Columbia), a creek located...

The Boulder Bank (Māori: Te Taero a Keropa or Te Tāhuna o Tama-i-ea) is a very unusual naturally formed landform in Nelson, New Zealand. It is a 13 km...

Boulder is a town in Garfield County, Utah, United States, 27 miles (44 km) northeast of Escalante on Utah Scenic Byway 12 at its intersection with the...

Boulder Media Limited is an Irish animation studio founded by filmmaker Robert Cullen in 2000. It is currently a wholly owned subsidiary of Australian...

Boulder clay is an unsorted agglomeration of clastic sediment that is unstratified and structureless and contains gravel of various sizes, shapes, and...

medal events was doubled from two in the previous edition because the boulder-and-lead tandem had been separated from the speed format. Furthermore,...

Boulder is an unincorporated community in Clinton County, Illinois, United States. Boulder is located on the eastern shore of Carlyle Lake; a railroad...

Boulders may refer to: The Boulders (Greencastle, Indiana), see National Register of Historic Places listings in Putnam County, Indiana The Boulders (Greenwood...

Columbia Boulder is a 30-foot-tall (9.1 m) boulder located in Camp 4 at Yosemite National Park. It is the largest boulder in Camp 4 and easily seen from...

Boulder Amplifiers is a private corporation founded in Boulder, Colorado in 1983 by Jeff Nelson as a manufacturer of high-end, solid state professional...

to as the Hoover Dam, after President Herbert Hoover, but was named the Boulder Dam by the Roosevelt administration. In 1947, the name Hoover Dam was restored...

Boulder Station is a hotel and casino located in Sunrise Manor, Nevada on Boulder Highway. It is owned and operated by Station Casinos. Groundbreaking...

Look up boulder in Wiktionary, the free dictionary. A boulder is a large rock. Boulder may also refer to: Boulder, Western Australia Electoral district...

Boulder is a census-designated place (CDP) in Sublette County, Wyoming, United States. The population was 170 at the 2010 census. Boulder is located at...

The Moeraki Boulders (officially Moeraki Boulders / Kaihinaki) are unusually large spherical boulders lying along a stretch of Koekohe Beach on the wave-cut...

"Boulder to Birmingham" is a song written by Emmylou Harris and Bill Danoff which first appeared on Harris's 1975 album Pieces of the Sky. It has served...

The Ontonagon Boulder (/ˌɒntəˈnɑːɡən ˈboʊldəɹ/) is a 3,708 pounds (1,682 kg) boulder of native copper originally found in the Upper Peninsula of Michigan...

Boulder Lake may refer to: Boulder Lake (Idaho), United States Boulder Lake (Washington), United States Boulder Lake (New Zealand) Bouder Lake This disambiguation...

hundreds of kilometres. Erratics can range in size from pebbles to large boulders such as Big Rock (16,500 metric tons) in Alberta. Geologists identify erratics...

Boulder is a 2020 novel by Catalan author Eva Baltasar. In 2023, the English translation by Julia Sanches was shortlisted for the International Booker...

Boulder is a town in and the county seat of Jefferson County, Montana, United States. It is on the north bank of the Boulder River between Butte and Helena...