HIKES ARE GRADED by a number-letter code indicating length and uphill climbing:

    Length
1 up to 6 miles
2 6 to 10 miles
3 10 to 15 miles
4 15 to 20 miles
5 over 20 miles
     Elevation Gain
A under 1000 feet
B 1000 to 2000 feet
C 2000 to 3000 feet
D 3000 to 4000 feet
E Over 4000 feet

Mini-Hikes are 3 to 4 miles in length with less than 500 feet of uphill climbing.