City of Yankton offices including City Hall are closed to the public; however, staff is available to assist residents by phone, email, or through online services.  Regular garbage and recycling collection are not impacted.  Police, fire and other emergency services continue to operate as normal, with only minor safety precautions affecting their day to day operations.  The Yankton Community Library and the Summit Activity Center are also closed.  The City Commission unanimously approved an ordinance temporarily closing on-site services at some businesses and limiting public gathering.  For a guide to closures and full text of the ordinance, visit

  • Walnut Street

    Newly completed Walnut Street project

  • Yankton 4th of July Fireworks

    Yankton's annual 4th of July fireworks show over the Missouri River.

  • Meridian Bridge

    Winter Scene

  • Fire Prevention Week

    Fire Prevention Week

  • Lewis & Clark Lake

    Lewis & Clark Lake

  • Jim River Bridge

    Jim River Bridge

  • Lake Area Trail

    Lake Area Trail

  • Meridian Bridge Moonlight

    Meridian Bridge Moonlight

  • Lewis & Clark Recreation Area

    Lewis & Clark Recreation Area

  • Walnut Street

    Walnut Street

  • Bragging Rights

    Bragging Rights

  • Downtown Streetscape

    Yankton's Downtown

  • Lewis & Clark Lake

    Missouri River Bluffs

  • 4th of July

    4th of July Fireworks Show

  • Riverside Park

    Riverside Park

  • Meridian Bridge Fog

    Meridian Bridge Fog

  • Meridian Bridge Winter

    Meridian Bridge Winter

  • Meridian Bridge Fall

    Yankton Meridian Bridge Fall

  • Lewis & Clark Lake

    Lewis & Clark Lake walking trails.

  • Rockin' Ribfest

    June 3-4

  • Yankton Marina

    Yankton Marina

  • Yankton Missouri River

    Yankton Missouri River

  • Fishing the Missouri

    Missouri River Yankton

  • Meridian Bridge

    Meridian Bridge

  • Ice Sailing

    Missiouri River Ice Sailing

  • Yankton Riverside Park Winter View

    Yankton Riverside Park Winter View

  • Missouri River Yankton

    Merry Christmas

  • Yankton Discovery Bridge

    Yankton Discovery Bridge

Facility Hours

Fall / Winter Hours (September 3, 2019 to May 15, 2020)

  • Monday - Friday:     5:00am - 10:00pm
  • Saturday:                 8:00am - 8:00pm
  • Sunday:                    8:00am - 8:00pm
  • Closed Thanksgiving Day, Christmas Day and Easter Sunday

Summer Hours (May 16, 2020 to September 7, 2020)

  • Monday - Friday:    5:00am - 8:00pm
  • Saturday:                8:00am - 4:00pm
  • Sunday:                  8:00am - 4:00pm
  • Closed Memorial Day, Fourth of July and Labor Day



Pool and Waterslide Open Swim Hours

Fall / Winter (September 3, 2019 to May 15, 2020)

  • Monday, Wednesday, Friday:  6:30pm - 8:30pm
  • Saturday & Sunday         1:00pm - 5:00pm 
  • Closed Thanksgiving Day, Christmas Day and Easter Sunday

Summer (May 16, 2020 to September 7, 2020)

  • Monday, Wednesday, Friday:  6:30pm - 7:45pm 
  • Closed Memorial Day, Fourth of July and Labor Day



The Summit Activities Center, located at 1801 Summit Street, features an indoor pool with water slide, two gymnasiums, three multi-purpose rooms, cardiovascular equipment, multi-station weights, free weights, small indoor track, and locker facilities. The outdoor facilities include eight lighted tennis courts, an all-weather track that is available to the public, two softball fields, a walking path around the perimeter of the property, and an arboretum with many different variety of trees and shrubs.


From birthday parties to dance recitals – the Summit Activities Center has a variety of areas that are available for reservation for any size event.  Meeting rooms, swimming pool, large theater, small theater, and sport courts.

Weight & Fitness

The facility offers an active schedule of fitness classes, including yoga, water aerobics, and personal training sessions. Adults also have the opportunity to participate in sports leagues that include volleyball, basketball, coed softball, and sand volleyball.

Visit our weight and fitness room and discover a large selection of cardiovascular equipment including; a step machine, a rowing machine, four stationary bicycles, five treadmills, nine elliptical machines and more. Choose from a complete inventory of free weights, dumbbells, exercise stations and selectorized weights to meet every weight training goal. Trained staff are available during evening hours for supervision and assistance with equipment.

Join us for a stroll, jog, or run on our indoor track. Fourteen times around the track equals one mile. Two lanes for walking, jogging, and running encompass our entire upstairs facility as you enjoy a climate controlled run or walk.

Click for the weight and fitness area rules.


Two gymnasiums are available at the Summit. The main gym has 3 courts and will seat 3,400 spectators for sporting events. The auxiliary gym also has 3 courts and is available for open gym or one of the many recreation leagues that the Summit provides.


If it’s water activities that you are interested in then plan to visit our zero-depth, 218,000 gallon, seven lane pool with two story tall water slide and fountain. Open swim times are available along with water aerobics, Red Cross Swim Lessons and adult lap swimming.

Pool Information and Hours.

Click for the pool and waterslide rules.

Summit Activities Center  

1801 Summit Street
PO Box 176
Yankton, SD 57078
(605) 668-5234

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