2022 09 09 19 23 08 UTC minus 5 Aerial view of Smithville Lake in northwestern Clay County, Missouri, centered on Platte
Aurora borealis Smithville Lake 11 11 2025 05 – Smithville Lake, Missouri
Boy birdwatching using Bushnell spotting scope during Eagle Days at Smithville Lake – Smithville Lake, Missouri
4.1★★★★☆

Smithville Lake

Missouri · Midwest · USA

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Water Temp73°F
ClarityModerate
DifficultyEasy
EntryFree
Best TimeJune through September
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Can you swim at Smithville Lake? Yes. Public swimming – no lifeguards – swim at your own risk · sandy beach · free entry · best June through September.

Swimming Guide

What to expect at Smithville Lake

YesPublic swimming
73°FSummer water
June through SeptemberBest months
ModerateWater clarity
ReservoirWater type
CalmCalmness
1 sandy beachSandy beaches
NoLifeguards
NoPiers & docks
Free parking for 150 vehicles at…Parking
FreeCost
SuburbanLocation

About Smithville Lake

Smithville Lake is a picturesque 540-acre reservoir located in rural Missouri, offering swimmers a serene escape from urban life. This man-made lake features beautiful wooded shorelines, rolling hills, and pristine natural surroundings that create an idyllic setting for water recreation. The lake is known for its calm waters and scenic beauty, attracting both experienced swimmers and families seeking a peaceful retreat. Surrounded by nature trails and lush vegetation, Smithville Lake provides a tranquil swimming experience with relatively shallow entry points ideal for building confidence in the water. The clear water and well-maintained facilities make it an accessible destination for swimmers of various skill levels. The lake's moderate depth and protected coves create ideal conditions for leisurely swimming. Two practical tips: arrive early during peak season to secure prime parking spots near the main swimming areas, and bring polarized sunglasses to better see underwater features and potential hazards while swimming.

About This Lake

Swimming Conditions

Smithville Lake maintains moderate water clarity with visibility typically ranging from 4 to 8 feet, allowing swimmers to see the lake bottom in shallow areas. Summer water temperatures average around 72 to 74 degrees Fahrenheit, providing comfortable conditions for extended swimming sessions from June through September. The lake reaches depths of up to 60 feet in some areas, but designated swimming zones feature gradual drop-offs and depths suitable for recreational swimmers. Water conditions are generally calm with minimal wave action, though occasional wind can create slight ripples across the surface. The lake's protected coves near the main beach areas provide the calmest swimming conditions. Safety considerations include being aware of occasional boating traffic and staying within designated swimming areas. No lifeguards are permanently stationed at the lake, so swimmers should follow the buddy system and exercise caution. The clean water quality and lack of strong currents make this a relatively safe swimming destination for those who respect water safety protocols.

Visitor Information

Smithville Lake is located approximately 25 miles north of Kansas City, Missouri, making it easily accessible for day trips from the metropolitan area. The lake features ample free parking for approximately 150 vehicles near the main beach area, with additional parking available at various access points around the reservoir. Facilities include well-maintained restrooms, picnic areas with grills, and shaded pavilions available for rent. The nearest accommodation options are in Smithville, Missouri, just 8 miles away, which offers several small hotels and bed and breakfasts. For dining, Smithville town center has casual restaurants and cafes within a short drive. The lake is best visited from May through September when weather is warmest and all facilities are fully operational. To reach the lake from Kansas City, take I-35 North toward Smithville, then follow state routes to the lake entrance. Spring and fall visits are possible but water temperatures drop significantly. Pack a cooler with drinks and snacks as on-site food services are limited.

Things to Do

Beyond the swim

SwimmingFishingHiking TrailsPicnic AreasCamping
Scenic wooded shorelineCalm swimming conditionsFree entry and parkingFamily-friendly facilitiesPeaceful natural setting

Plan Your Visit

A day trip or a full weekend at Smithville Lake

A Perfect Day at Smithville Lake: Swim and Relax in Nature

Start your day at Smithville Lake by arriving mid-morning to enjoy the calm waters at their best. Spend the early afternoon swimming in the designated beach area, taking advantage of the gradual drop-off perfect for building confidence. Pack a picnic lunch to enjoy at one of the shaded pavilion areas while watching boats pass by. After lunch, explore the scenic nature trails surrounding the lake for hiking and wildlife observation. Return to the water for an evening swim as temperatures cool and the sun begins to set, creating stunning views across the water. End your day with a sunset picnic dinner before heading home, making it a complete and rejuvenating outdoor experience.

◆Calm morning swimming
◆Scenic nature trails
◆Beautiful sunset views
Bring plenty of water and electrolyte drinks to stay hydrated throughout the day. Arrive before 10 AM on weekends to secure the best parking and beach access.

Smithville Lake Weekend Getaway: Relax and Explore

Day 1

Arrive Friday evening and check into accommodation in nearby Smithville, Missouri. Enjoy dinner at a local restaurant and take an evening walk around town. Saturday morning, head to the lake early to spend several hours swimming and relaxing on the beach. Pack a picnic lunch and take a leisurely hike on the nature trails in the afternoon. Return to Smithville for dinner and explore local shops or attractions.

☾ Overnight: Smithville, Missouri - 8 miles from the lake with hotels and bed and breakfasts

Day 2

Sunday morning, return to the lake for a final swim session. Rent a pavilion for a family brunch with other group members. Spend the late morning fishing from designated areas or simply relaxing by the water. Pack up early afternoon to return home, taking scenic driving routes through the Missouri countryside.

Reserve picnic pavilions in advance during peak season for guaranteed access. Check weather forecasts before your trip as summer storms can develop quickly in the region.

Getting There

39.2236, -94.5806

What to Bring

sunscreentowelwater shoeslife jacketsnackscamerainsect repellentfirst aid kit

Frequently Asked Questions

Is Smithville Lake safe for swimming?

Smithville Lake is generally safe for swimming with moderate water clarity and calm conditions. However, there are no lifeguards on duty, so swimmers should practice water safety, use the buddy system, and stay within designated swimming areas. Always check water quality conditions before your visit.

What is the best time to swim at Smithville Lake?

The best time to swim at Smithville Lake is June through September when water temperatures range from 72 to 74 degrees Fahrenheit. Mid-morning to early afternoon typically offers the calmest water conditions and best weather. Avoid swimming during storms or high wind conditions.

Is there an entry fee at Smithville Lake?

No, Smithville Lake is completely free to visit with no entry fees. Parking is also free at the main beach area and various access points around the reservoir, making it an affordable destination for families and groups.

What facilities are available at Smithville Lake?

Smithville Lake offers well-maintained restrooms, picnic areas with grills, and shaded pavilions available for rent. Free parking for approximately 150 vehicles is available at the main beach, and multiple access points provide additional parking throughout the reservoir.

Can you camp near Smithville Lake?

While the lake itself does not have on-site camping facilities, nearby camping options are available at regional parks and private campgrounds within 20 miles. The closest town of Smithville offers hotels and bed and breakfasts for overnight stays near the lake.

📋 Sources & updates

Compiled from official park, state and lake-authority information.
Last checked 4 November 2026 · Conditions, fees and opening dates change – check with the lake manager before you go. Found something out of date? Send a correction.
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Researched by the Swimming Lakes team

Our guides are compiled from official park, state and lake-authority sources, then checked and updated regularly. Spot something out of date? Send us a correction.

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Photo 1: Famartin (CC BY-SA 4.0), via Wikimedia Commons · Photo 2: Smuckola (CC BY-SA 4.0), via Wikimedia Commons · Photo 3: Kansas City District U.S. Army Corps of Engineers (CC BY 2.0), via Wikimedia Commons