Table 6-4 TOC
Use Intensities in National Forest Wilderness and Primitive Areas, in Idaho, the Region, and the U.S., 1986
Area Visitor-Days Gross Acres Visitor-Days/Acre
Idaho 601,300 3,967,102 0.15
Frank Church_River of No Return 411,500 2,370,676 0.17
Gospel Hump 26,300 206,000 0.13
Hells Canyon[1] 20,400 84,100 0.24
Sawtooth 44,900 217,088 0.21
Selway_Bitterroot[1][2] 98,200 1,089,238 0.09
       
Region      
Alaska 587,400 5,488,184 0.11
Montana[1][3] 702,800 3,375,559 0.21
Nevada 11,300 64,827 0.17
Oregon 833,900 2,091,190 0.4
Utah 479,600 779,638 0.62
Washington 1,236,000 2,535,083 0.49
Wyoming[1][4] 551,000 [2]2,667,946 0.21
       
U.S. 11,249,000 [2]32,133,566 0.35
Source: John C. Hendee, George H. Stankey, and Robert C. Lucas, Wilderness Management, 2d ed., rev. (Golden, CO: North American Press, 1990).
Note: Visitor-days are defined by recreation use which aggregates to 12 person-hours. A visitor-day may entail 1 person for 12 hours, 12 persons for 1 hour, or any equivalent combination of individual or group use, either continuous or intermittent.
[1] Totals for wilderness areas located in more than one state are listed below:
 
Absaroka—Beartooth (MT-WY) 307,000 945,215 0.32
Hells Canyon (ID-OR) 25,400 214,195 0.12
Platte River (CO-WY) 2,000 23,000 0.09
Red Buttes (CA-OR) 8,600 19,900 0.43
Selway—Bitterroot (ID-MT) 163,100 1,340,681 0.12
Wenaha—Tucannon (OR-WA) 75,700 117,465 0.64
[2] Acreage total only includes those areas for which use was reported.
[3] Some areas did not report use figures for 1986; 1985 use figures are included in state total.
[4] Some area use figures were not reported for 1986, often the first year after area establishment

Originally compiled by: Richard C. Davis
Data input assisted by: Robert Anton-Erik
Contact: Lily Wai