Castle Semple

Castle Semple Collegiate Church is located in Renfrewshire, Scotland. It is situated near the eastern end of Castle Semple Loch, within Clyde Muirshiel Regional Park, and 2 miles (3.2 km) west of Howwood on the B787, then on to the B776. The late Gothic church is under the protection of Historic Environment Scotland as a Scheduled monument.

Castle Semple railway station was intended to be a railway station that would have served the village of Howwood, Renfrewshire, Scotland as part of the Dalry and North Johnstone Line on the Glasgow and South Western Railway.

The lands of Elliston, previously Elliotston or Eliotstoun or Elliestoun in the Parish of Lochwinnoch were part of the holdings of the Barony of Elliston, later a part of the Castle Semple barony and estates. The ruins of the castle lie a short distance from Howwood in Renfrewshire in a private garden on a minor road between the A737 and the B776. The name may have derived from earlier holders of the lands, however the Sempill family held them since at least 1220. The castle was abandoned circa 1550 when John Sempill, 1st Lord Sempill moved to a new castle at Castleton which he renamed Castle Semple (NS 377602).

Castle Semple Loch is a 1.5-mile-long (2.5 km) inland freshwater loch at Lochwinnoch in Renfrewshire, Scotland. Originally part of an estate of the same name, it is now administered by Clyde Muirshiel Regional Park as a watersports centre. An RSPB bird sanctuary is located on the loch's southern shore.

Belltrees Peel is a medieval tower situated on a peninsula in Castle Semple Loch in Renfrewshire, Scotland, on which was once an island.

Howwood railway station is a railway station serving the village of Howwood, Renfrewshire, Scotland. The station is managed by ScotRail and is on the Ayrshire Coast Line, 13 miles (21 km) south west of Glasgow Central.

The River Calder (Scottish Gaelic: Caladar) is a river mainly within Renfrewshire, Scotland.

Castle Semple Rowing Club is a rowing club on the Castle Semple Loch, based at Lochwinnoch, Renfrewshire, Central Lowlands, Scotland. The club is affiliated to Scottish Rowing.

Clyde Muirshiel Regional Park is the collective name for areas of countryside set aside for conservation and recreation on the South Clyde estuary in Scotland. The park covers an area of 280 km2 (110 sq mi) of Inverclyde, North Ayrshire and Renfrewshire, stretching from Greenock in the north, down the coast to Largs and West Kilbride and inland to Dalry and Lochwinnoch. There are three visitor centres within the Park Castle Semple Loch, Muirshiel Country Park and The Greenock Cut (formerly Cornalees Bridge), ,. Muirshiel, a Scots language name, translates to "moorhut" in English.

Lochwinnoch railway station is a railway station serving the village of Lochwinnoch, Renfrewshire, Scotland. The station is managed by ScotRail and is on the Ayrshire Coast Line.

Howwood (Scots: The Howewuid, Scottish Gaelic: Coille an Dail) is a village in Renfrewshire, Scotland. It is between Johnstone and Lochwinnoch, just off the A737 dual carriageway between the nearby town of Paisley and the Ayrshire border. It is served by Howwood railway station.

St John's Kirk, also known as St Winnock's Church and, colloquially, Auld Simon (Old Simon), is a former church building in Lochwinnoch, Renfrewshire, Scotland. It dates to 1729, and is now Category B listed. Only the southwest gable and a single bay of the structure remains, the rest likely torn down around the date the new church was constructed in 1808.The church is surrounded by a walled cemetery, which is also part of the listing.