This ranks Sacagawea Peak at 19th in Montana for prominence. "Rock glaciers are tongue-like or lobate masses of angular debris that resemble small glaciers, and which move downslope as a consequence of deformation of internal ice or frozen sediments" (Benn and Evans, 1998). Sacagawea Peak is the highest mountain in the Bridger Range in south-western Montana. Photo by Travis Corthouts. This cross-section drawing shows how the sedimentary layers seen in the Bridger Range have been tilted up into their current orientation. When I got to Bridger peak, the trail was totally snowed over and I ended up kinda ice climbing to the top. The Sacagawea Peak trailhead is just uphill from the main campground parking area. MORE SACAGAWEA NAMESAKES & the types of spectacular northwestern scenery she would have seen: Bridger Range looking south from Sacagawea Peak summit, Rocky Mountains, Montana (2004). Deformation didn't end in the Cretaceous! Tabulate coral in late Paleozoic (Mississippian) limestone outcrop. A popular but beautiful attraction, about an hour from Bozeman, is the hiking trail to Sacagawea Peak. Sacagawea Peak Sacagawea Peak (9665 ft/2,945 m) is the highest point in the Bridger Range. This ranks Sacagawea Peak at 19th in Montana for prominence. 2) The Law of Superposition, which states that sedimentary layers are deposited with the oldest units towards the bottom, and younger units are deposited at successively higher levels. Hiking Sacagawea Peak makes for the perfect get away for someone trying escape the city. Map from Bozeman to the Fairy Lake Campground/Sacagawea Peak Trailhead; map produced using Google Maps. The low saddle on the ridge is Ross Pass. The contact between thin-medium and thick bedded limestone in the Mission Canyon Limestone. Naya Nuki Peak. Hardscrabble Peak, 9,575′, is located in the northern Bridger Range and can easily be accessed from the super popular Fairy Lake Trailhead from May to October. Lupori was a native of Steamboat Springs, Colorado, where she graduated from high school in 2019, the Steamboat Pilot & Today reported. Photo by Travis Corthouts. While hiking below treeline there are some things of geologic significance to watch for. Not because of the peak itself, but because it is the marker for the top of the first climb in the iconic Bridger Ridge Run just outside Bozeman. Contractional deformation also produced "deep-seated" reverse faults that were responsible for uplift of the deep, Archean basement rocks. Sacagawea Peak is the tallest peak in the Bridger Range of Montana. This picture was taken on the trail near treeline just before entering the cirque basin. These events span from more than 2.5 billion years ago until the present and consist of multiple phases of evolution of the North American continent. These contacts, now tilted at a steep angle, were originally deposited horizontally. Photo by Travis Corthouts. This whole ridge line is known for it's sitings of Mountain Goats. sacagawea peak in the bridger mountains above fairy lake near bozeman, montana. This is fairly well traveled as locals hike to Fairy Lake, also at the base of the mountain. Everyone knows who Sacajawea was, and I suspect that Pomp Peak is named after her son Jean Baptiste Charbonneau who was born on February 11, 1805 – Members of the Lewis & Clark Expedition called him “Little Pomp”. They make their living as filter feeders, scavanging organic detritus that floats by. The view from the summit sports 360-degree views of the nearby mountain ranges. (70), Climber's Log Entries The saturated soil creeps down the slope due to the force of gravity and instability caused by excess water in the soil. This picture shows a good example of the fluid appearance of a rock glacier in the Chugach Mountains, AK. While the hike itself will not knock your socks off, the view sure will. Each feature along the trail is a clue to the past: fossils can tell us about past environments while rock structures yield clues to the tectonic setting which produced the mountains themselves. Individual lifeforms are called "zooids". Photo by Tyson Bernt. BOZEMAN — A Bozeman woman died Tuesday after crashing while skiing in the Bridger Mountains. As the mountain ranges were uplifted by Sevier- and Laramide-style faulting, they shed a tremendous amount of material due to erosion, transportation and deposition in the adjacent basins. Sacagawea is near the northern end of the Bridger Range and marks the high point of both the range, and the 20 mile ridge run. Anyway, Sacagawea Peak is the highest summit in the Bridger Mountains, standing 9,596 feet (2917 m) tall and, though I’m not familiar with the actual statistics, I’m fairly certain it’s the most summited mountain in the area. Starting from Main Street in Bozeman, Montana, head north out of town on Rouse Avenue. The parallel lines in this photo represent bedding planes, or "contacts" between successive layers of rock which were deposited on top of one another, with the younger strata deposited on top of the previous (older) rock layer. Follow this out of town through some of the most beautiful country around. This mountain range makes a beautiful backdrop for the city of Bozeman below. Bozeman, MT: Sacagawea Peak On this 4.4-mile dayhike, the five-star views go on and on as you climb through blooming meadows and up a scree slope to the Bridger Range's high point. We started at … It’s accessible from several angles but the simplest approach is from Fairy Lake. This can continue for quite some time as can be seen from the height of the columnar stromatolites at left. Diagram of non-fossilized brachiopods. Looking south at the summit of Sacagawea from the saddle. It identifies (18) mountain bike trails and (10) hiking trails. Photo by Ken Jones. Aconcagua mountain itself has many routes, photos, and trip reports as children. Archean rocks south of the Pass fault were uplifted, and shed their detritus into the Belt Basin and formed the conglomeritic deposits of the Lahood Formation of the Belt Supergroup. Photo by Travis Corthouts. Sacagawea Peak is a prominent peak visible to the northeast from Bozeman. USGS TOPO Map Montana MT Sacagawea Peak 266471 2000 24000 geo Inverted Restoration. *In this trail guide you can single click any image for a larger, full resolution view of any of the pictures. Hikers at the base of the cirque head-wall. The highest point in the Bridger Range is Sacagawea Peak (9,596 feet (2,925 m)), which is visible to the northeast from Bozeman. Stay on Rouse Avenue and eventually it will become Bridger Canyon Drive. Map of the Sacajawea Peak area. These columnar stromatolites are found in the Cambrian Sage Pebble Conglomerate member of the Snowy Range Formation. The summit of Pomp Peak (9,562 ft.) is the rounded high point slightly L of Center just past the eroded rock bands. These rocks are typically metamorphic rocks that occur as varieties of schists and gneisses. These pictures illustrate two fundamental principles of geology: 1) The Principle of Original Horizontality, which states that sedimentary layers were originally deposited in horizontal layers--an idea that originated with Nicolas Steno in the 17th Century! As the trail steepens and begins to switchback, you will notice an increasing number of rock outcrops, and you will be mostly walking up the "dip slope" of tilted beds of limestone. Just south of Sacagawea Peak is the Bridger Bowl ski area. Another layer of algae then starts to grow on top of the previous dead layer. The yellow X and Y are locations that correspond to the X and Y on the adjacent photo which zooms in on another contact within this outcrop. Bridger Range is displayed on the Sacagawea Peak USGS quad topo map. Shown are rugose coral fossils preserved in a limestone outcrop. You don't need four wheel drive to make the trip, but take your time driving to the trailhead. At 9,666 feet, Sacagawea Peak, which is named after the Lemhi Shoshone woman who guided the Lewis and Clark Expedition, is the tallest peak in the Bridgers. This mountain range makes a beautiful backdrop for the city of Bozeman below. At this time, the road was not opened completely. 15 ROUTE. The only other tricky area is approaching Bridger Peak – there is an obvious trail that goes left of the peak – that is a dead- end. Photo by Travis Corthouts. The route to Sacagawea Peak is one of the (10) hiking trails. Sacajawea Peak (or just “Sac”), towering at 9650 ft., is the tallest peak in the Bridger Range and provides some of the most easily-accessible, high-elevation views in the area. A contact doesn't strictly represent compositional change, it can also signify a change in age or character of the rock. Fenestrate and Trepostome Bryozoan fragments. BOZEMAN — A Bozeman woman died Tuesday after crashing while skiing in the Bridger Mountains. These shallow seas deposited thick sequences of sediments as the ancient sea level rose and fell. View from the saddle to the southwest to the contact between the Cambrian Flathead Sandstone and the Proterozoic LaHood Formation of the Belt Supergroup. Sacajawea Peak (or just “Sac”), towering at 9650 ft., is the tallest peak in the Bridger Range and provides some of the most easily-accessible, high-elevation views in the area. The 9,665’ Sacagawea Peak, named after the famed guide of the Lewis and Clark Expedition, is the apex of the mountain range. Sacajawea Peak, Bridger Bowl, Montana. Image produced with Google Maps. Photo by Donald Bent. Hiking Sacagawea Peak makes for the perfect get away for someone trying escape the city. The Bridger Range Flyway is noted for the largest concentration of Golden Eagles in the lower 48 states, with peak eagle activity (sometimes more than 200 eagles/day) in mid-October. Chevron folding in the Lodgepole limestone. We got a bit of a late start, so we were only able to make it … Fairy Lake is located right next to the campgrounds. The trail is primarily used for hiking and is best used from June until October. We took a hike up Sacajawea (Sacagawea) peak in the Bridger range near Bozeman Montana. Topographic map of the crest of the Bridger Range from Hardscrabble Mountain to Sacagawea Peak, and with Fairly Lake to the east. 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