Dunderave Castle is a 16th Century L-plan tower house of four storeys and an attic with a square tower in the re-entrant angle and a round tower at one corner.

Dundas Castle or Tower is a massive 15th century keep of four storeys and a flat roof, now L-plan with the addition of a later wing.

Earlshall is a 16th century courtyard castle. It consists of a main house. Occupying two sides, a smaller detached tower of three storeys, the lower two being vaulted, and a range of 17th century outbuildings.

One of the most beautifully situated of all Scottish Castles, Eilean Donan Castle consists of a 13th century wall surrounding a courtyard.

Impressive and well-preserved, both stronghold and comfortable residence. Elcho Castle is a 16th century tower house, built in the plan of a Z with an extra tower at one corner.

Arnot Tower is a ruined rectangular 16th-century tower house of four storeys, although it may incorporate earlier work.

Avochie Castle is a very ruined 16th Century Tower House. Only the gable ends, with a corbelled-out bartizan at one corner, survive.

Balbithan is a fine 16th Century L-plan tower house of three storeys. It has a wide stair-tower in the re-entrant angle, the upper part of which was reached by a turret stair. Bartizans crown the gables.

Balcomie Castle is a 16th Century L-plan tower house of five storeys and a garret, to which has been added an 18th century house.

Ballone Castle is a large late 16th century Z-plan tower house. It consists of a main block of three storeys and a garret, and a round tower and square stair-tower projecting from opposite corners.