- A grading Special or T.I.E. (Take It Easy) may be added to any grade where suitable. This is a shorter, slower paced walk for people with lesser fitness. May be some rougher terrain. This is for some older or less fit people who may like to do some harder walks, possibly including off track but at their own pace.
- Exploratory walks may take place in the higher grades, but participants should be advised that the walk is exploratory.
- National Park party size limits where applicable are to be complied with.
- Some variations to the definitions above may be needed to cover some walks, & participants should be advised of this.