Lake Oahe Fishing, Size, Depth, and More

Written by Lev Baker
Published: April 22, 2023
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If you’re seeking a little-known yet breathtaking destination, look no further than Lake Oahe. This expansive reservoir spans an impressive 370,000 acres, ranking as the fourth-largest artificial lake in the United States. Its breathtaking natural scenery and fascinating history will leave you in awe.

Lake Oahe, however, is more than just a visually appealing destination. This reservoir also functions as a critical resource for nearby communities. Additionally, outdoor enthusiasts will find a wealth of activities to indulge in. From trekking and camping to angling and boating, Lake Oahe offers a variety of pursuits.

So, let’s delve into the wonders of Lake Oahe and discover its many hidden secrets.

Location

Lake Oahe

Formed by the Oahe Dam, Lake Oahe from South Dakota to North Dakota.

©Chadden Roggow/Shutterstock.com

The Oahe Dam forms Lake Oahe, a vast reservoir on the Missouri River. Stretching from just north of Pierre, SD, to near Bismarck, ND, the lake encompasses a vast area. The central section of the lake features Mobridge, South Dakota, along its eastern coastline. Two prominent bridges span Lake Oahe: one on US Route 12 in Mobridge and another on US Route 212 near Gettysburg, South Dakota.

The former town of Forest City is approximately nine miles west of Gettysburg, submerged beneath the waters of Lake Oahe.

In the vicinity of the lake, numerous prehistoric archaeological sites have been discovered and examined. One significant site is the Molstad Village, located close to Mobridge, which predates the separation of the Hidatsa, Mandan, and Arikara peoples. This important location has earned the designation of a National Historic Landmark.

History

Lake Oahe

The 1874 Oahe Indian Mission inspired the name of Lake Oahe.

©C.drefs/Shutterstock.com

Lake Oahe, an important reservoir along the Missouri River, takes its name from the historical 1874 Oahe Indian Mission. The reservoir’s western boundary adjoins both the Standing Rock Indian Reservation and the Cheyenne River Indian Reservation.

Many believe this area contains the final resting place of the renowned Sioux leader, Sitting Bull. The region is important to Native American tribes, with its historical significance and cultural resources. However, the construction of the Oahe Dam resulted in substantial flooding, forcing the relocation of local inhabitants. These individuals have been seeking redress for their losses ever since.

Numerous Native American tribes have resided and journeyed through the Missouri River Basin and the vicinity of Lake Oahe. The shores and public lands surrounding the reservoir are home to an array of artifacts and cultural resources. These include fossils, which are expressly forbidden from being collected or damaged.

The planned Dakota Access Pipeline sparked significant environmental apprehensions, leading to a petition opposing its route through the Standing Rock Indian Reservation. Although the pipeline was initially delayed for further examination, the decision was accelerated by Donald Trump. The Cheyenne River Sioux contested this in court, but the pipeline was ultimately installed beneath the reservoir.

A water outtake was established for the Standing Rock Sioux Reservation to avert contamination. Even though no official contamination has been documented, the pipeline continues to be controversial for numerous Lake Oahe residents.

The Waters of Lake Oahe

Lake Oahe South Dakota

Spanning 370,000 acres, Lake Oahe is the fourth-largest reservoir by volume in the United States.

©iStock.com/Chaden Roggow

As the largest reservoir in South Dakota, and even reaching into North Dakota, Lake Oahe is relatively massive as lakes go. As such a vast lake, its depth is equally impressive at certain points.

Size

Spanning an incredible 370,000 acres, Lake Oahe claims its position as the fourth-largest reservoir by volume within the United States. Its vast expanse spans 231 miles, and the shoreline extends for a staggering 2,250 miles. 

Each year, around 1.5 million visitors visit the area, eager to explore the 51 recreational locations dotted along the lake’s perimeter.

Depth

The average depth of the lake can fluctuate based on the location, usually settling around 50 feet deep. Yet, the tranquil surface of the water conceals the fact that, in some areas, Lake Oahe descends to depths reaching 205 feet, enticing daring divers and adventurers. 

As an artificial reservoir, the depth of the lake varies with the seasons, influenced by changing water levels. 

Water Level

Lake Oahe, a man-made water reservoir, experiences fluctuations in water levels throughout the year due to elements such as precipitation, snowmelt, and dam operations. The U.S. Army Corps of Engineers is responsible for managing these water levels, with the goal of balancing flood prevention, water resources, and leisure activities.

The usual water level at Lake Oahe is around 1,612 feet above sea level. However, it’s essential to recognize that this figure can change as the dam adapts to environmental factors. In 2011, Lake Oahe’s highest water level on record was reached, at 1,620 feet above sea level. This event was primarily driven by a combination of excessive snowmelt and heavy rainfall in the region.

On the other hand, Lake Oahe’s record low water level happened in 2006 when it fell to 1,597.1 feet above sea level. This decline was the result of an extreme drought that affected the Missouri River Basin.

Bear in mind that these statistics may change as new information becomes accessible or environmental situations evolve. 

Fishing at Lake Oahe

Walleye fish in the St-Lawrence River

Walleye fishing brings a great deal of attention to Lake Oahe.

©RLS Photo/Shutterstock.com

Lake Oahe is an incredible fishing spot in the Midwest that derives its biodiversity from three key river systems flowing into the reservoir: the Grand, Moreau, and Cheyenne Rivers. Consequently, Lake Oahe has earned a reputation as one of South Dakota’s most captivating multispecies fishing locations.

While walleye fishing often brings national attention to Oahe, the lake is also home to a remarkable smallmouth bass population that should not be ignored. Furthermore, yellow perch, a sought-after species in the Glacial Lakes area, are abundant in Lake Oahe. Although some view them as a “bonus fish,” anglers can catch high-quality perch here.

Additionally, Lake Oahe provides a unique chance to catch chinook salmon in South Dakota. The reservoir also contains recently stocked Atlantic salmon, making it an appealing destination for salmon enthusiasts. South Dakota Game, Fish, and Parks maintain the salmon population through regular stocking efforts.

During early spring and the ice-fishing season, many anglers favor northern pike fishing, and Lake Oahe lives up to expectations. The lake is filled with these predatory fish, and enormous pike exceeding 40 inches are caught annually.

Anglers can also find other fish species in Lake Oahe, such as white bass, crappie, freshwater drum, common carp, goldeye, river carpsucker, and white sucker, which are often encountered during their fishing adventures.

Geology of Lake Oahe

Lake Oahe on Map

Rolling plains mark the regional terrain that surrounds Lake Oahe.

©Tudoran Andrei/Shutterstock.com

The area surrounding Lake Oahe is composed of sedimentary rock formations, such as sandstone, shale, and limestone, which originated during the Cretaceous Period (roughly 145-65 million years in the past). The Missouri River and its tributaries have significantly influenced these layers through erosion over the years.

The regional terrain is marked by rolling plains and a blend of glacial and riverine features. As the last Ice Age witnessed glacier movements, they left behind deposits like till, moraines, and outwash plains. The Missouri River’s erosive power has sculpted valleys and formed terraces, some of which are now partly submerged in Lake Oahe’s waters.

The unique geological characteristics of Lake Oahe support a variety of habitats and abundant fish populations, making it an ideal destination for leisure fishing and other outdoor activities.

Boating on Lake Oahe

Boating In Indiana - Boating on Brookville Lake in Indiana, USA.

Many nearby marinas and boat launching facilities make Lake Oahe a popular destination for boaters.

©Anne Kitzman/Shutterstock.com

Lake Oahe is a popular destination for boating lovers, providing many marinas and boat launching facilities for visitors to take advantage of.

A notable marina on Lake Oahe is the West Pollock Resort Marina, located in Pollock, SD. This marina offers a variety of amenities for boating enthusiasts, including boat rental options, fuel services, and a well-stocked convenience store. Additionally, it boasts a spacious campground and RV park for guests wishing to extend their stay.

Boat launches are available at all recreational areas, and two docks are at Beaver Creek for visitors who bring their boats. Another popular choice is Spring Creek Recreation Area. This ramp provides easy access to the lake and remains operational year-round.

One of the main reasons boating is so enjoyable at Lake Oahe is the numerous activities it offers. The lake is a haven for water sports enthusiasts, catering to those who love water skiing, wakeboarding, or tubing. Given its vast expanse, boaters can also take pleasure in a relaxing cruise or embark on a fishing adventure in serene coves, bays, and inlets.

Camping at Lake Oahe

Green Hills by Lake Oahe in South Dakota

With the beautiful landscape around Lake Oahe, camping is a great way to experience the area.

©Chaden Roggow/Shutterstock.com

Camping is one of the best ways to explore the beautiful Lake Oahe. With numerous camping options, visitors can enjoy the great outdoors while taking in the scenic beauty of the area. Two of the best camping options are Beaver Creek Recreation Area and Hazelton Recreation Area.

Beaver Creek Recreation Area offers 61 campsites, with 45 of them having 30-amp electricity. Visitors can choose from back-in campsites or pull-through sites that can easily accommodate large rigs. Each site comes with a picnic table and a fire ring, while amenities like flush toilets and drinking water are available during peak season. There are vault toilets that remain open even when the water is shut off, and a dump station is available for visitors. The recreation area also boasts a three-lane boat ramp, two docks, a nature trail, and a playground for visitors to enjoy.

Hazelton Recreation Area, on the other hand, offers 30 campsites, with 12 of them having 50-amp electricity. While there are no sewer hookups or dump stations, visitors can make use of a fish cleaning station and a boat ramp that provides lake access. The campsites are spacious, and each site has a campfire ring and a picnic table. There is limited shade in the area, but visitors can use their gazebo or a canopy for shelter. A playground is also available for children, and vault toilets are located at the campground.

Picnics at the Lake

A leisurely afternoon picnic at Lake Oahe offers a delightful way to unwind. Whether you seek respite from various outdoor activities or intend to organize a social event with friends and family, numerous picturesque spots are available for your selection. Each recreational area around the lake features an array of picnic tables and grills for visitor convenience.

For more sizable gatherings, booking the picnic pavilion at Beaver Creek is a fantastic choice. Equipped with an abundance of tables, grills, and electrical outlets, the pavilion serves as an ideal location to host a memorable picnic with your family and friends. The facility allows guests to savor a delicious meal while appreciating the stunning lake views.

Hunting at Lake Oahe

Ring-Necked or Ringneck Pheasant

Pheasants are just one of several species hunters are permitted to hunt at Lake Oahe.

©Piotr Krzeslak/Shutterstock.com

Lake Oahe’s expansive landscape offers a prime hunting experience for hunters. This region boasts a diverse range of wildlife, providing an unparalleled opportunity to hunt sought-after game such as deer, turkey, waterfowl, and pheasants. In designated zones, trapping is permitted, but it is crucial to study and understand the local hunting and trapping regulations before setting off on your adventure. Remember to carry any required permits with you.

Spanning thousands of acres, this area allows hunters to immerse themselves in the excitement of tracking their prey amid stunning natural surroundings. The plentiful wildlife in the region caters to both novice and experienced hunters. To ensure a fulfilling and memorable trip, it is essential to adhere to safety guidelines and practice responsible hunting techniques.

Hiking near Lake Oahe

Hiking on a Trail - Hiking Boots

Several trails are available near Lake Oahe for anybody who wants to experience the area’s natural beauty that way.

©adriaticfoto/Shutterstock.com

Discovering the picturesque landscape of the Lake Oahe region through hiking presents an incredible opportunity, with a vast selection of trails at your disposal. Hikers of all skill levels will find a variety of trail lengths and difficulty levels to suit their individual preferences.

The Oahe West Shore Trail, situated north of Fort Pierre, is a favorite spot for mountain bikers. Nonetheless, hikers are also welcome to experience the trail’s captivating views of Lake Oahe while embarking on easy to moderate hikes. Although the trail was initially for mountain biking, it accommodates all non-motorized transportation methods except for horseback riding. The 11-mile trail allows hikers to appreciate the area’s natural splendor while engaging in a fulfilling workout.

Another exceptional option for hiking enthusiasts is the Oahe Downstream Recreation Area, featuring scenic trails. The trail system provides an intermediate challenge, with multiple loop choices ranging from 1.5 to 5 miles, each showcasing stunning views of Lake Oahe. Established in collaboration with the US Army Corps of Engineers and the Oahe Wheelmen Cycling Club, the trail was designed as a cross-country mountain biking path.

The photo featured at the top of this post is © Chadden Roggow/Shutterstock.com


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About the Author

Lev is a writer at AZ Animals who primarily covers topics on animals, geography, and plants. He has been writing for more than 4 years and loves researching topics and learning new things. His three biggest loves in the world are music, travel, and animals. He has his diving license and loves sea creatures. His favorite animal in the world is the manta ray.

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