The River Calder is a major tributary of the River Ribble, starting in Cliviger close to Burnley in Lancashire, England and is around 15 mi in length.
 Its source is very close to that of the West Yorkshire river with the same name, and that of the River Irwell.
 It flows through Towneley Park passing Unity College and Fulledge Recreation Ground.
 It passes through a culvert in the Burnley Embankment on the Leeds and Liverpool Canal and on through Burnley town centre where it is joined by the River Brun at Active Way.
 It then flows north through the site of Burnley College and out of the town, where it is joined by Pendle Water before turning west past Ightenhill and Gawthorpe Hall and through the town of Padiham.
 It flows through Altham and Whalley, passing the ruins of Whalley Abbey, then being crossed by the red brick Whalley Viaduct.
 It meets the Ribble near Great Mitton.
Habergham Eaves is a civil parish in the borough of Burnley, in Lancashire, England.
 The parish consists of a rural area south of Burnley, and suburban areas on the outskirts of the town, including a large industrial estate in the north-west corner of the parish.
 Habergham is also the name of an area west of Burnley, although it is no longer within the parish.
 According to the United Kingdom Census 2011, the parish has a population of 1,466, a decrease from 1,581 in the 2001 census.
 The A646 Padiham to Todmorden road runs approximately along the northern boundary of the parish.
 Surrounding areas include the unparished areas of Burnley and Rossendale, and the parishes of Hapton, Dunnockshaw and Clowbridge and Cliviger.
Godech (Bulgarian: Годеч ) is a small town located in the Sofia Province, of Bulgaria.
 The town is founded in a valley on the far west of Stara Planina, where the Nishava River passes.
 The settlement is about 20 km east of the Serbian border and has its highest peak Kom (2016 m) to the north.
 Godech is officially a town with 4,663 inhabitants (as of 2006).
 It is the administrative center of the Godech municipality.
Padiham is a small town and civil parish on the River Calder, about 3 mi west of Burnley and south of Pendle Hill, in Lancashire, England.
 It is part of the Borough of Burnley, but has its own town council with varied powers.
 Padiham was originally a rural village lying by the River Calder.
 It is still surrounded by attractive countryside on an arc running from the north-west to the north-east in the foothills of Pendle Hill.
Menaceur is a small town and commune in Algeria, situated about 100 km west of Algiers.
 Menaceur has a population of 40,000.
 The Bouchanoun River passes through Menaceur.
 Nearby mountains include Zabrir, el Pic, Boumaad, and Tizi Franco.
The Soungrougrou is a river of Senegal.
 It is a tributary of the Casamance River, and joins the river at Adéane.
 The river passes north from the Casamance, stretching to Vintang-Geregia.
 During the 19th century it was used by cotton traders, though the trading centres along the river were later abandoned.
 The river is inhabited by the Jola people, half of whom are Muslims.
 The small town of Marsassoum lies on the bank of the Soungrougrou.
Nongalbibra is a small town in South Garo Hills, Meghalaya, India, famous for its coal mines.
 The great river of Garo Hills, the Simsang River passes through it.
 Majority of the sino-tibetan speaking community of the Garos are present.
 Who are called the Atongs.
Padiham is a town and a civil parish in the borough of Burnley, Lancashire, England.
 The parish contains 31 buildings that are recorded in the National Heritage List for England as designated listed buildings. Of these, two are listed at Grade II*, the middle grade, and the others are at Grade II, the lowest grade.
 The parish consists of the town of Padiham and surrounding countryside.
Gawthorpe is an electoral ward in the non-metropolitan district of Burnley in Lancashire, England.
 The population of the Burnley Ward at the 2011 census was 6,148.
 The ward covers the majority of the town of Padiham, meaning it is a largely urban area.
 It is part of the Padiham and Burnley West electoral division of Lancashire County Council, the Burnley UK Parliament constituency and the North West England European Parliament constituency.
Alberton is a small town in Victoria, Australia.
 It is located along the South Gippsland Highway, 7 kilometres south of Yarram and 216 kilometres east of Melbourne.
 Albert River passes through the town.
 At the 2006 census , Alberton had a population of 162.

Question: Which Lancashire river passes through the small town of Padiham and Burnley?
Answer: Calder