Swimming at Glendo Reservoir
Swimming at Glendo Reservoir
Swimming at Glendo Reservoir
4.1★★★★☆

Glendo Reservoir

Wyoming · West · USA

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Water Temp74°F
ClarityClear
DifficultyEasy
Entry$7 per vehicle day use
Best TimeJune through September
⚠️
Can you swim at Glendo Reservoir? Yes. Public swimming – no lifeguards – swim at your own risk · sandy beach · entry fee: $7 per vehicle day use · best June through September.

Swimming Guide

What to expect at Glendo Reservoir

YesPublic swimming
74°FSummer water
June through SeptemberBest months
ClearWater clarity
ReservoirWater type
ModerateCalmness
3 sandy beachesSandy beaches
NoLifeguards
NoPiers & docks
Ample parking at main access points,…Parking
$7 per vehicle day useCost
RuralLocation

About Glendo Reservoir

Glendo Reservoir stands as a premier swimming destination in southeastern Wyoming, offering a sprawling 24-mile-long body of water nestled within high prairie landscape. This impressive reservoir delivers exceptional recreational opportunities with stunning views of rolling hills and vast open skies that define the Wyoming experience. The water's clarity and comfortable summer temperatures make it ideal for swimmers seeking refreshing outdoor recreation. Surrounded by Glendo State Park's well-maintained facilities, this destination combines natural beauty with convenient amenities that appeal to families and serious swimmers alike. The reservoir's unique geography creates protected swimming areas sheltered from wind, while the expansive shoreline provides diverse entry points for swimmers of varying abilities. The surrounding prairie ecosystem offers wildlife viewing opportunities, with frequent sightings of deer, antelope, and various bird species adding to the experience. Practical tip: Arrive early during peak summer weekends to secure optimal parking and swimming spots near the main beach areas. Practical tip: Bring wind protection like a light jacket, as afternoon winds can intensify across the open water.

About This Lake

Swimming Conditions

Glendo Reservoir maintains moderate water clarity, typically ranging from good to clear depending on seasonal conditions and wind patterns. Summer water temperatures average 72-76 degrees Fahrenheit, comfortable for extended swimming sessions from late May through September. The reservoir features variable depth zones, with gradual drop-offs near designated swimming beaches ideal for families and deeper sections suitable for experienced swimmers. The main swimming area near Glendo State Park's primary facilities offers the gentlest entry and shallowest waters, making it safest for children. Wind-driven currents can develop during afternoon hours, particularly during summer months, so morning swimming often provides calmer conditions. The reservoir's size creates some areas with stronger currents and wave action, particularly on the exposed western shoreline. No lifeguards are stationed at the reservoir, making personal responsibility and buddy system essential safety protocols. Swimmers should monitor weather forecasts as sudden storms can develop rapidly across the open plains, creating hazardous conditions. Water quality occasionally experiences algal blooms during hot summer periods, affecting visibility and swimming safety.

Visitor Information

Glendo Reservoir is accessed via Wyoming State Route 25, located approximately 35 miles north of Wheatland and 90 miles southeast of Casper, the nearest major city. The drive from Casper takes roughly 90 minutes, while Wheatland visitors typically arrive within 45 minutes. Glendo State Park provides multiple access points with adequate parking facilities near primary swimming beaches, offering space for approximately 100-150 vehicles at main areas. Restroom facilities, picnic tables, and shaded areas are distributed throughout the park, though amenities vary by access point. The nearest services including food and lodging are located in Wheatland, approximately 35 miles south, offering restaurants, grocery stores, and modest hotel accommodations. Summer represents the optimal visiting season, with July and August providing warmest conditions though also attracting peak crowds. Spring and early fall offer pleasant alternatives with fewer visitors and comfortable swimming temperatures. Camping facilities are available within Glendo State Park, providing convenient overnight options directly at the reservoir with full hookups at designated campgrounds.

Things to Do

Beyond the swim

SwimmingFishingBoating & WaterskiingKayaking & CanoeingPaddleboardingCampingHiking Trails
24-mile expanse of waterClear summer watersMultiple swimming beachesFamily-friendly facilitiesScenic prairie views

Plan Your Visit

A day trip or a full weekend at Glendo Reservoir

Wyoming Waterscape Adventure at Glendo Reservoir

Start your day early at 8 AM to beat crowds and enjoy calmer morning waters perfect for swimming. Pack your picnic lunch and arrive at Glendo State Park's main beach area to secure convenient parking. Spend your mid-morning swimming in the clear waters and exploring the sandy beach, then enjoy a leisurely picnic lunch with views of the surrounding prairie landscape. Afternoon activities might include light hiking along the shoreline trails or wildlife observation opportunities. The gentle swimming conditions and family-friendly facilities make this an ideal full-day destination. Plan to stay through sunset for spectacular views across the reservoir before heading home around 6-7 PM.

◆Clear summer waters and sandy beaches
◆Prairie landscape and wildlife viewing
◆Relaxed pace and family-friendly amenities
Arrive before 10 AM during summer weekends for best parking options near swimming beaches. Bring afternoon wind protection as breezes intensify during mid-to-late afternoon hours.

Prairie Paradise Weekend at Glendo Reservoir

Day 1

Arrive Friday evening and settle into Glendo State Park's campground with full hookups available. Saturday morning, swim in the cool, clear waters before breakfast, exploring different beach areas and enjoying the peaceful prairie atmosphere. Spend afternoon hours fishing along the shoreline, kayaking in protected coves, or hiking scenic trails. Watch the sunset over the reservoir while enjoying dinner at your campsite or nearby picnic area.

☾ Overnight: Glendo State Park campgrounds with full hookups on-site, or Wheatland, Wyoming approximately 35 miles south for hotel accommodations

Day 2

Sunday morning features calm water conditions ideal for paddleboarding or kayaking exploration. Take a final refreshing swim before packing up. Explore alternative beach access points you may have missed on Day 1, or venture on a moderate shoreline hiking trail. Depart early afternoon to avoid afternoon wind patterns and evening traffic back to Casper or other regional destinations.

Book campsite reservations in advance during July and August peak season. Check weather forecasts Friday evening as afternoon winds can intensify and affect water conditions.

Getting There

41.9317, -105.1242

What to Bring

sunscreentowelwater shoeslife jacketsnackscamerawind jacketfirst aid kit

Frequently Asked Questions

Is Glendo Reservoir safe for swimming?

Glendo Reservoir is generally safe for swimming, with clear water and sandy beach areas providing good swimming conditions. However, there are no lifeguards on duty, so swimmers must follow the buddy system and monitor weather conditions closely. Water quality occasionally experiences seasonal algal blooms that may affect safety and visibility.

What is the best time to swim at Glendo Reservoir?

The best swimming season runs from late May through September, with optimal conditions from July through August when water temperatures reach 72-76 degrees Fahrenheit. Morning hours typically offer calmer water conditions with minimal wind before afternoon breezes develop.

Is there an entry fee at Glendo Reservoir?

Yes, Glendo State Park charges a $7 per vehicle day-use fee to access the reservoir and its facilities. Annual passes and overnight camping reservations are available at additional costs through Wyoming State Parks.

What facilities are available at Glendo Reservoir?

Glendo State Park provides restroom facilities, picnic tables, shaded areas, parking, and multiple designated swimming beach access points. Campground facilities with full hookups are available for overnight visitors near the reservoir.

Can you camp near Glendo Reservoir?

Yes, Glendo State Park offers campground facilities directly at the reservoir with full hookups including water, electric, and sewer connections. Reservations are recommended during peak summer season and can be made through Wyoming State Parks website.

📋 Sources & updates

Compiled from official park, state and lake-authority information.
Last checked 20 October 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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