Stirling Castle is situated on top of atop the Castle Hill in Stirling. It is one of the largest and most significant castles in Scotland. The site...
Landscape Gravel. 1  The average cost for crushed rock gravel or lava rock is $640 for 32 square feet of gravel. 2  The minimum cost that property owners pay for crushed rock gravel or lava rock is $140, which covers 7 square feet of gravel.
For this type of gravel, the average cost is $15 a ton, including delivery. Other types of gravels range in price from $10 per ton with delivery to $60 per ton with delivery. Some areas, especially those close to the materials used to make the gravel, will have a cheaper average price than other areas.