UKHillwalking.com - A central source of information for walking in the UK, as well as trekking and hillwalking further afield.
Heading for the Scottish Hills - Web service designed to help you to find out where deer stalking is taking place over the busy stag stalking season (1st July to 20th October). You can use this information to plan routes which help minimise the chance of disturbing stalking, in line with the guidance in the Scottish Outdoor Access Code.
Walkhighlands - A website giving free route information, OS mapping and area guides to the Scottish Highlands.
Hill Bagging - The online version of the Database of British and Irish Hills - with list of all different types of hill from Munros to Sims, Wainwrights to Hewitts, Humps to Tumps, and everything in between.
Scottish Outdoor Access Code - Statutory Access Rights and the Scottish Access Code are now in effect. See this site for further information.