Old Maps of Island Park, Idaho for Genealogy
Trace your family roots with 20 historic maps of Island Park. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.
- Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
- Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
- Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.
These maps are an incredible resource for exploring your personal connection to Island Park's past.
Island Park, ID maps
(20)- 1955 Map of Ashton, 1967 Print
1955 Ashton1967 Print · USGSThe Greater Yellowstone ecosystem is captured here during the mid-1950s, showing the high plateaus and remote gateway towns of Idaho and Montana. Researchers can trace the Union Pacific line to Ashton or locate small settlements like Squirrel and Grainville.4 unique versions available - 1958 Map of Ashton
1958 Ashton1958 Print · USGSGreater Yellowstone and the eastern Idaho borderlands appear here in the mid-1950s as rail and road networks connected remote mountain basins. Trace the Union Pacific route through Ashton or locate early outposts like Last Chance, Squirrel, and West Yellowstone. - 1960 Map of Ashton
1960 Ashton1960 Print · USGSThe Idaho-Montana-Wyoming borderlands at the dawn of the sixties show a landscape defined by the Continental Divide and early wilderness tourism. Genealogists and historians can trace rail-stop settlements like Trude Siding, old outposts like Warm River, and early lodging at Snowball Inn. - 1964 Map of Island Park, 1965 Print
1964 Island Park1965 Print · USGSEastern Idaho was a landscape of federal forestry and growing tourism in the 1960s. Genealogists and historians can trace the foundations of local recreation at the Island Park Reservoir, Macks Inn PO, and the Union Pacific rail corridor.3 unique versions available - 1964 Map of Island Park Dam, 1966 Print
1964 Island Park Dam1966 Print · USGSFremont County, Idaho, is shown in the mid-1960s during a period of burgeoning outdoor recreation and water management. Researchers can trace ranching and reservoir life through features like McCrea Ranch, the Island Park Dam, and I P Bills Island.3 unique versions available - 1964 Map of Targhee Pass, 1966 Print
1964 Targhee Pass1966 Print · USGSThe high alpine country of the Idaho-Montana border comes alive in this mid-century survey of the Continental Divide. Trace early mountain routes through Targhee Pass, discover the location of the Targhee Cem, and see the footprint of the ski lift at Lionhead.4 unique versions available - 1964 Map of Targhee Peak, 1966 Print
1964 Targhee Peak1966 Print · USGSThe Idaho-Montana borderlands at the Continental Divide are captured here in the mid-1960s, showing the high-country interface between three National Forests. Genealogists and historians can trace family-named outposts like Wild Rose Ranch and Staley Springs along the northern shores of Henrys Lake.2 unique versions available - 1964 Map of Big Springs, 1966 Print
1964 Big Springs1966 Print · USGSBig Springs and the surrounding Idaho forest lands are captured here in the mid-sixties as the region balanced railroad industry with mountain recreation. Researchers can trace the Union Pacific line, locate the Big Springs Airstrip, and explore the high country around Mount Two Top.2 unique versions available - 1964 Map of Last Chance, 1966 Print
1964 Last Chance1966 Print · USGSHenrys Fork and the surrounding Targhee National Forest are captured here in the mid-1960s, a time of active ranching and emerging river recreation. Genealogists and researchers can trace the roads around Last Chance, the historic Railroad Ranch, and the Osborne Bridge.3 unique versions available - 1964 Map of Henrys Lake, 1972 Print
1964 Henrys Lake1972 Print · USGSThe Idaho-Montana border country is documented here in the early 1960s, a time when ranching life and mountain recreation coexisted. Genealogists and historians can trace local landmarks like Targhee Cem, the Johnson Ranch, and the Lionhead Ski Area.2 unique versions available - 1989 Map of Ashton
1989 Ashton1989 Print · USGSEastern Idaho at the end of the 1980s is captured here as a landscape of river-fed agriculture and high-altitude wilderness. Researchers can trace the Union Pacific line through Ashton and find old settlements like Kilgore and Idmon near the Targhee National Forest border.2 unique versions available - 1993 Map of Hebgen Lake
1993 Hebgen Lake1993 Print · USGSThe high mountain passes and vast river basins of the Montana-Idaho border come into focus in the early nineties. Genealogists and historians can trace the remote settlement of Lakeview and the development of West Yellowstone near the Red Rock Lakes National Wildlife Refuge.2 unique versions available - 2000 Map of Targhee Pass, 2005 Print
2000 Targhee Pass2005 Print · USGSThe high alpine pass between Idaho and Montana comes to life in this late-twentieth-century survey of the Henrys Lake Mountains. Trace the rugged ridgelines along the Continental Divide and find local landmarks like Targhee Cemetery and Lionhead Resort. - 2000 Map of Targhee Peak, 2005 Print
2000 Targhee Peak2005 Print · USGSThe high mountain border between Idaho and Montana is captured here at the turn of the millennium, centered on the northern reaches of Henrys Lake. Genealogists and historians can locate legacy properties like the Wild Rose Ranch and Staley Springs along the rugged Continental Divide. - 2023 Map of Island Park, 2023 Print
2023 Island Park2023 Print · USGSThe Island Park region of eastern Idaho comes into focus in the early 2020s, showing a landscape defined by volcanic calderas and forest lands. Genealogists and historians can trace local settlements like Trude and residential growth near ELK CREEK ESTATES NORTH along the banks of the Henrys Fork. - 2023 Map of Targhee Pass, 2023 Print
2023 Targhee Pass2023 Print · USGSThe Idaho-Montana border at the crest of the Continental Divide comes into focus in this contemporary survey of the high mountain passes. Researchers can locate the Targhee Cem, the small settlement of Island Park, and the Henry's Lake Airport. - 2024 Map of Targhee Peak, 2024 Print
2024 Targhee Peak2024 Print · USGSThe high Montana-Idaho border comes into focus in this recent study of the Continental Divide and the headwaters surrounding Henrys Lake. Researchers can trace remote alpine trails and seasonal settlements from Staley Springs to the heights of Targhee Peak. - 2024 Map of Last Chance, 2024 Print
2024 Last Chance2024 Print · USGSFremont County’s volcanic landscape is shown here in the contemporary era, centered on the communities of Last Chance and Island Park. Researchers can trace the hydrologic patterns of Henry's Fork or locate specific points like Swan Lake and Osborne Butte. - 2024 Map of Big Springs, 2024 Print
2024 Big Springs2024 Print · USGSThe high-country basin of northern Idaho is shown in detail as it appears today, from the shores of Henrys Lake to the timber of the Targhee National Forest. Researchers can trace the layout of local landholdings at Orme Ranch or locate family history at the Island Park Cem. - 2024 Map of Island Park Dam, 2024 Print
2024 Island Park Dam2024 Print · USGSFremont County, Idaho, is documented here in the early twenty-first century as a landscape shaped by massive volcanic calderas and the Henrys Fork river. Researchers can trace the development of Island Park and the layout of I P Bills Island alongside the Island Park Dam.
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