Wyoming
Wyoming Interstate 25
Submitted by siteadmin on Mon, 10/20/2008 - 7:20pm.Interstate 25 in Wyoming runs north to south for 300 miles from I-90 in Buffalo to the Colorado state line. Northbound travelers should read up the chart. Southbound travelers read down the chart.
| Exit(mm) | Description |
| 299 | US 16 / Buffalo |
| Big Horn Travel Plaza, 207 S Bypass Rd, 307-684-5246, $3 fee | |
| Cenex Truck Stop, 501 E Hart St, 307-684-9513, free | |
| 185 | WY 258 / Wyoming Blvd / Casper |
| Flying J Travel Plaza, 41 SE Wyoming Blvd, 307-473-1750 | |
| 182 | WY 253 / Brooks Rd / Hat Six Rd |
| Eastgate Travel Plaza | |
| 140 | W Yellowstone Hwy / Douglas |
| North Platte River City Park, Douglas WY 82633 / 307-358-3462. Free. | |
| 126 | US 18 / US 20 / Orin |
| Rest Area | |
| Orin Junction Truck Stop | |
| 92 | US 26 / north of Wheatland |
| Rest Area, dump station is located in the northwest corner. | |
| 78 | Mariposa Pkwy / Wheatland |
| Lewis Park (city park), 600 9th St, Wheatland WY 82201 / 307-322-2962. Free. From exit go E 1 block, S 1 block on 16th St, E .5 mile on Cole (watch for a bad dip in the road along Cole), N on 8th St to park. Latitude: 42.0476 | Longitude: -104.9539 |
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| (54) | Rest Area |
| 12 | Central Ave / Cheyenne |
| Public dump station at Lake Absarraca northwest of Carey Ave at Kennedy Rd. From the exit, go east to Kennedy Rd and turn right. Dump station is on dirt road just north of the end of Carey Ave. No water for rinsing tanks. Free. | |
| 7 | WY 212 / College Dr |
| Welcome Center, Cheyenne WY 82007 / 307-777-7777. Free. Northwest corner of exit, north of McDonalds. Two dump stations, spacious parking for big rigs. Open year-round but flush water is shut off during cold season. | |
| Flying J Travel Plaza, 2250 Etchepare Dr, 307-635-2918. Free. Latitude: 41.0986 Longitude: -104.8536
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| Love's Travel Stop, 3305 W College Dr, 307-632-2444, free | |
Wyoming Interstate 80
Submitted by siteadmin on Mon, 10/20/2008 - 7:19pm.Interstate 80 in Wyoming runs east to west for about 403 miles from the Nebraska state line to the Utah state line. Eastbound travelers should read up the chart. Westbound travelers read down the chart.
| Exit(mm) | Description |
| 370 | US 30 / Archer |
| Sapp Brothers Truck Stop, 3350 I-80 Service Rd, 307-632-6600, $5 fee | |
| 311 | WY 130 / WY 230 / Snowy Range Rd / Laramie |
| High Country Sportsman | |
| Wyoming Territorial Prison, 975 Snowy Range Rd, Laramie WY 82070 / 307-745-6161. $5 Latitude: 41.3109 | Longitude: -105.6104 |
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| 209 | Johnson Rd |
| Flying J Travel Plaza | |
| 173 | Wamsutter |
| Love's Travel Stop, 314 Kelly Rd, 307-324-0087 | |
| Sinclair Fuel Stop | |
| Wamsutter Conoco Service | |
| 104 | US 191 / Elk St / Rock Springs |
| Flying J Travel Plaza, 650 Stagecoach Dr, 307-362-4231, free | |
| 68 | Little America |
| Little America Truck Stop | |
| 6 | I-80 Bus / Bear River Dr / Evanston |
| Bear River Travel Information Center, 601 Bear River Dr, 307-789-6540, $5 | |
Wyoming Interstate 90
Submitted by siteadmin on Mon, 10/20/2008 - 7:19pm.Interstate 90 in Wyoming runs east to west for 208 miles from the South Dakota state line to the Montana state line. Eastbound travelers should read up the chart. Westbound travelers read down the chart.
| Exit(mm) | Description |
| 126 | WY 59 / Gillette |
| Dalbey Memorial Park one mile south of exit off WY 59 | |
| Flying J Travel Plaza, 1810 Douglas Hwy, 307-682-3562, free | |
| 25 | US 14 / WY 334 / Sheridan |
Holiday Gas Station, south of exit, 936 E Brundage Ln, 307-672-8729, free
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Washington City Park, on Coffeen Ave
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| 23 | WY 330 / 5th St / Sheridan |
| Visitor Information Center, closed in winter | |
Afton, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:14am.City of Afton information center, free
Alpine, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:14am.Nordic Market at US 89 and US 26
Baggs, Wyoming
Submitted by Anonymous on Sun, 03/30/2008 - 11:18am.City Hall maintains a free dump station with potable water. Check in at the City Hall. Friendly people. Very easy access right off SH-789, center of town. Fresh water was extremely slow in 2007.
Basin, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:14am.Overland Express Mart, 155 N 4th St, 307-568-2722, free
Basin, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:15am.Washington Park (city park), open May thru Sep, 307-568-3331, free
Buffalo, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:15am.Bighorn National Forest public dump station on US 16 about three miles west of Powder River Pass, on south side of highway, fresh water available, donation
Burgess Junction, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:15am.Bighorn National Forest public dump station 1/4 mile east of US 14/14A junction, north side of road, donation requested, fresh water available
Casper, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:16am.Rest Area on WY 220 adjacent to Independence Rock on the Oregon Trail about 53 miles southwest of Casper
Casper, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:16am.Bentz's Town Pump, 701 W Collins Dr, 307-234-1435, $2.50 fee for standard RVs. Also offers a portable dump catch basin for buses, $10 fee.
Cheyenne, Wyoming
Submitted by Anonymous on Fri, 10/19/2007 - 4:26pm.Wyoming Travel Commission Welcome Center
I-25, Exit 7 (College Drive)
Cheyenne, WY 82007
(307)777-7777
Cost: Free
Description: Northwest corner of exit, North of McDonalds. Two dump stations, spacious parking for big rigs. Open year-round but flush water is shut off during cold season.
Web Site: www.wyomingtourism.org
Cheyenne, Wyoming
Submitted by Anonymous on Mon, 10/15/2007 - 7:17pm.Public dump station at Lake Absarraca northwest of Carey Ave at Kennedy Rd. From the exit, go east to Kennedy Rd and turn right. Dump station is on dirt road just north of the end of Carey Ave. No water for rinsing tanks. Free.
Latitude: 41.1603 | Longitude: -104.8346
Cody, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:16am.City of Cody dump station located 1/2 mile east of Cody, next to the Wyoming Vietnam Memorial Park, on the north side of highway. Donations accepted.
Cokeville, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:17am.Flying J Travel Plaza at US 30 and WY 232
Douglas, Wyoming
Submitted by Anonymous on Tue, 03/11/2008 - 12:26pm.North Platte River City Park
Douglas, WY 82633
Phone: 307-358-3462
Cost: Free
Description: From I-25 Exit 140 follow Yellowstone Hwy east 1.1 miles to Grant St and turn left. RVer reports that the city park has free dry camping. Approximately 20 sites, at least some are pull-thrus. Dump station, drinking water, grills, pay phones, picnic area, restrooms, showers. Park may be full around time of state fair in August, as fairgrounds are across the street. One RVer notes that sprinklers may come on in middle of night. Maximum stay: 3 nights. Free.
Latitude: 42.7624 | Longitude: -105.3918
Green River, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:17am.Wastewater treatment plant on E Astle Ave, free
Guernsey, Wyoming
Submitted by Anonymous on Tue, 10/14/2008 - 10:54am.Guernsey State Park
307-836-2334
Guernsey State Park is located off Interstate 25, Exit 92 to U.S. Highway 26 and then State Route 270. A dump station is located at the south entrance to Guernsey State Park.
Jackson, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:18am.Reynolds Petroleum, 1055 W Broadway, free with fill-up, without fill-up a fee of $5 to $25 is charged depending on size of RV
Jackson, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:18am.Wrangler Petroleum, 580 W Broadway, also has propane, dump available in summer only
Lander, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:18am.Popo Agie One Stop at 8116 E Main St (US 287)
Lander, Wyoming
Submitted by siteadmin on Fri, 11/02/2007 - 12:19am.Public Works Dept., 125 Buena Vista Dr, 307-332-3956, Free
Latitude: 42.8297 | Longitude: -108.7248
Laramie, WY
Submitted by tgmarrs on Sun, 01/17/2010 - 12:09am.I-80, exit 310 KOA Campground, $10
Exit 310 go north, turn right at first light, then another right on the dirt road right behind the Pilot Truck Stop. Road to and in the KOA is gravel in good condition, watch the big speed bumps. There is no actual "dump station", but they will direct you into a vacant camping spot in front of the office after paying the $10 fee. The water is turned off sometimes during the winter when temps fall too low.
Laramie, Wyoming
Submitted by Anonymous on Tue, 01/22/2008 - 3:47pm.Wyoming Territorial Prison
975 Snowy Range Rd
Laramie WY 82070
Phone: 307-745-6161
Cost: $5
Highway: I-80 Exit 311
Open 7 days a week from May 1st to October 30th. Winter hours are limited. Large parking lot with easy access to dump station site. Territorial Prison is a very interesting and affordable attraction!
Latitude: 41.3109 | Longitude: -105.6104
Web Site: http://wyoparks.state.wy.us/Sites/TerritorialPrison/index.asp
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