ALVA  , a

police burgh of Clackmannanshire, Scotland, 34 M . N. of Alloa, terminus of a branch line of the North British railway . Pop . (1891) 5225; (1901) 4624 . It is situated at the foot of three front peaks of the Ochils—West Hill (1682 ft.), Middle Hill (1436 ft.) and Wood Hill (1723 ft.) . There are spinning-mills, and manufactures of tweeds, tartans and other woollen goods . Silver, lead and other metals have been found in the hills, but not in paying quantities . The glen to the east of the town, in which are abandoned workings, is called the Silver Glen . Alva House is the seat of the Johnstones, a family which has been intimately connected with the district since the latter half of the 18th century .