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

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

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

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

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...

queen who was killed at age six in her family's home at 755 15th Street in Boulder, Colorado, on the night of December 25, 1996. Her body was found in the...

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...

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

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...

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

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 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 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...

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

Boulder Junction is an unincorporated census-designated place located in the town of Boulder Junction, Vilas County, Wisconsin, United States. Boulder...

The Boulder station is a retired train depot in Boulder, Colorado. It was originally built in 1890 in downtown Boulder to serve as a depot for the Union...

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

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

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

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

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...

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

child beauty pageant queen who was found murdered in her family's home in Boulder, Colorado, on December 26, 1996. Ramsey was born in Parkersburg, West Virginia...

Continental Divide of the Americas at the crest of the Front Range southwest of Boulder and is located approximately five miles east and opposite the resort in...

45°53′49″S 170°36′45″E / 45.89694°S 170.61250°E / -45.89694; 170.61250 Boulder Beach is a rocky beach on the Pacific Ocean, located on the south side...

The Bolder Boulder (styled as BOLDERBoulder and previously BolderBOULDER) is an annual 10-kilometer run in Boulder, Colorado. The 2007 race featured over...

"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...