+ Type Point Route Trail
+ Region Arctic Circle Eastern Central Alaska Interior Alaska South Central Alaska Southeast Alaska Southwestern Alaska West Central Alaska
+ User Foot Bicycle ATV Horse Ski Dogteam Skijor Snowshoe Snowmachine
+ Season All_Season Winter Summer
+ Class 1 - Undeveloped 2 - Minimally Developed 3 - Developed 4 - Well Developed 5 - Fully Developed
+ Length 0-5 mi 5-10 mi 10-20 mi 20-50 mi 50-500 mi 500-10000 mi
+ Elev. 0-1000 ft 1000-2500 ft 2500-5000 ft 5000-7500 ft 7500-15000 ft 15000-500000 ft