Drug, Alcohol and DNA Testing Centers, Grand Point, LA
Accredited Drug Testing, Inc. provides Drug, Alcohol and DNA Testing at testing centers in Grand Point, LA and the surrounding areas. To schedule a test call (800) 221-4291 or online 24/7. Testing is available for employers and individuals and most Grand Point, LA drug testing centers are within minutes of your home or office. Same day service is available and no appointment is needed in most cases.
Drug, Alcohol, DNA Testing Methods And Services
- Urine Testing
- Alcohol Testing
- Hair Testing
- DOT Testing
- DOT Consortium
- Mobile/On-Site Testing
- DNA Testing
- Background Checks
Drug and Alcohol Testing
Testing purposes can include pre-employment, random, post-accident, court ordered probation, school programs and personal reasons. DOT and non-DOT drug and alcohol testing is available. Testing centers offer 5, 7, 9, 12 and 14 panel drug screenings and all drug tests are analyzed by a SAMHSA Certified laboratory and all test results are verified by a licensed Medical Review Officer. Instant result testing is also available at most testing centers. Drug and Alcohol testing methods can include urine, hair, ETG, breath alcohol (BAC), blood and oral saliva. The detection period for drug and alcohol use is determined by the testing methods and the laboratory analysis utilized. Testing services are administered by trained and certified drug and alcohol testing technicians at all of our Grand Point, LA Drug Testing Centers.
Mobile/On-site Drug and Alcohol Testing
We come to you! In addition to our testing centers in Grand Point, LA and the surrounding areas, we also provide on-site drug and alcohol testing services utilizing our mobile/on-site unit for construction sites, hospitals, schools, roadside locations. When sending your employees to a drug testing center is not cost effective or a person cannot go to a testing center, our on-site mobile testing service may be a valuable option to consider. Please call us for additional information 800-221-4291.
DOT Testing and Services
Department of Transportation (DOT) drug and alcohol testing is provided at our Grand Point, LA testing centers for FMCSA, FAA, FRA, FTA, PHMSA, USCG and all Federally Regulated employers who have safety sensitive employees covered by DOT 49, CFR Part 40. Additional DOT services available include: Consortium membership (random testing pool), Supervisor Training, DOT Physicals and DOT drug policy development. Accredited Drug Testing can provide all services which will ensure compliance with the DOT Drug and Alcohol Testing Regulations.
DNA Testing
DNA testing is provided for various purposes including paternity, child custody, immigration and other legal proceedings. The DNA test is 99.9% accurate and is a simple swabbing of the mouth process. All DNA tests are analyzed by certified AABB laboratories and can be utilized in any legal proceeding.
Testing Centers located throughout
1731 LUTCHER AVE 3.0 miles
LUTCHER, LA 70071
1645 LUTCHER AVE 3.0 miles
LUTCHER, LA 70071
2471 LOUISIANA AVE 3.2 miles
LUTCHER, LA 70071
108 N EZIDORE AVE 3.3 miles
GRAMERCY, LA 70052
22080 HIGHWAY 20 6.7 miles
VACHERIE, LA 70090
3919 W AIRLINE HWY 10.8 miles
RESERVE, LA 70084
41237 HWY 22 10.9 miles
BURNSIDE, LA 70738
3584 W AIRLINE HWY 11.8 miles
RESERVE, LA 70084
501 Rue De Sante, Suite 10 14.0 miles
La Place, LA 70068
502 RUE DE SANTE STE 308 14.0 miles
LA PLACE, LA 70068
735 W 5TH ST 14.6 miles
LA PLACE, LA 70068
113 Belle Terre Blvd 14.9 miles
LaPlace, LA 70068
2139 SPYGLASS DR 15.2 miles
LA PLACE, LA 70068
2647 S SAINT ELIZABETH BLVD STE 125 15.2 miles
GONZALES, LA 70737
1205 W EDENBORNE PKWY 15.2 miles
GONZALES, LA 70737
301 MEMORIAL DR 15.3 miles
DONALDSONVILLE, LA 70346
1124 S BURNSIDE AVE 15.3 miles
GONZALES, LA 70737
214 CLINIC DR 15.3 miles
DONALDSONVILLE, LA 70346
2612 S Ruby St 15.4 miles
Gonzales, LA 70737
214 S BURNSIDE AVE STE A 15.6 miles
GONZALES, LA 70737
429 W AIRLINE HWY STE B 16.0 miles
LA PLACE, LA 70068
429 W AIRLINE HWY STE H 16.0 miles
LA PLACE, LA 70068
3317 NEW HIGHWAY 51 17.2 miles
LA PLACE, LA 70068
602 N ACADIA RD MEDICAL MALL 17.4 miles
THIBODAUX, LA 70301
3674 HWY 51 17.9 miles
LA PLACE, LA 70068
3674 HWY. 51 17.9 miles
LA PLACE, LA 70068
318 N CANAL BLVD 17.9 miles
THIBODEAUX, LA 70301
135 HIGHWAY 402 18.4 miles
NAPOLEONVILLE, LA 70390
804 S ACADIA RD 19.5 miles
THIBODAUX, LA 70301
602 N ACADIA RD 19.6 miles
THIBODAUX, LA 70301
111 ACADIA PARK DR 19.9 miles
RACELAND, LA 70394
16179 RIVER RD 20.5 miles
HAHNVILLE, LA 70057
14902 RIVER RD 20.7 miles
NORCO, LA 70079
5525 HIGHWAY 3115 21.7 miles
GEISMAR, LA 70734
14297 HIGHWAY 90 23.3 miles
BOUTTE, LA 70039
1207 Paul Maillard 24.5 miles
Luling, LA 70070
1057 PAUL MAILLARD RD 24.5 miles
LULING, LA 70070
15475 AIRLINE HWY 25.2 miles
BATON ROUGE, LA 70817
727 HIGHLANDIA DR 25.6 miles
BATON ROUGE, LA 70810
9865 PECUE LN 27.2 miles
BATON ROUGE, LA 70810
13406 AIRLINE HWY 27.5 miles
BATON ROUGE, LA 70817
1125 W HIGHWAY 30 27.5 miles
GONZALES, LA 70737
5437 W PARK AVE 28.5 miles
HOUMA, LA 70364
200 W Esplanade Ave, Suite 309 28.7 miles
Kenner, LA 70065
17199 SPRING RANCH RD STE 100 28.7 miles
LIVINGSTON, LA 70754
17199 SPRING RANCH RD 28.7 miles
LIVINGSTON, LA 70754
11441 INDUSTRIPLEX BLVD STE 140 29.0 miles
BATON ROUGE, LA 70809
13702 COURSEY BLVD BLDG 10 STE B 29.2 miles
BATON ROUGE, LA 70817
10059 N REIGER RD 29.3 miles
BATON ROUGE, LA 70809
10099 N REIGER RD 29.3 miles
BATON ROUGE, LA 70809
708 W Esplanade Ave 29.5 miles
Kenner, LA 70065
29565 S FROST RD STE C 29.8 miles
LIVINGSTON, LA 70754
20170 Ohio St 30.2 miles
LIVINGSTON, LA 70754
14635 S HARRELLS FERRY RD UNIT BC 30.3 miles
BATON ROUGE, LA 70816
7516 Bluebonnet Blvd Ste 244 30.4 miles
Baton Rouge, LA 70810
17000 MEDICAL CENTER DR 30.4 miles
BATON ROUGE, LA 70816
3837 PLAZA TOWER DR STE C 30.6 miles
BATON ROUGE, LA 70816
2714 DELAWARE AVE 30.6 miles
KENNER, LA 70062
14292 FLORIDA BLVD 30.6 miles
LIVINGSTON, LA 70754
1585 S RANGE AVE 30.7 miles
DENHAM SPRINGS, LA 70726
2552 WILLIAMS BLVD 30.7 miles
KENNER, LA 70062
1600 WILLIAMS BLVD 30.8 miles
KENNER, LA 70062
11924 JUSTICE AVE STE B 30.8 miles
BATON ROUGE, LA 70816
409 N HOLLYWOOD RD 31.0 miles
HOUMA, LA 70364
11854 BRICKSOME AVE 31.0 miles
BATON ROUGE, LA 70816
4305 BLUEBONNET BLVD 31.2 miles
BATON ROUGE, LA 70809
5130 MANCUSO LN 31.4 miles
BATON ROUGE, LA 70809
7731 Perkins Rd Ste 155, 31.4 miles
Baton Rouge, LA 70810
5745 ESSEN LN STE 100 31.6 miles
BATON ROUGE, LA 70810
7932 SUMMA AVE, #B-2 31.6 miles
BATON ROUGE, LA 70808
7887 PICARDY AVE 31.6 miles
BATON ROUGE, LA 70809
5475 ESSEN LN 31.7 miles
BATON ROUGE, LA 70809
7373 PERKINS RD 31.7 miles
BATON ROUGE, LA 70808
120 LANSDOWN DR 31.8 miles
HOUMA, LA 70360
8549 UNITED PLAZA BLVD BLDG 12 STE 210 31.8 miles
BATON ROUGE, LA 70809
131 CORPORATE DR 31.8 miles
HOUMA, LA 70360
4701 BURKE DR 31.9 miles
METAIRIE, LA 70003
28050 WALKER RD S 32.0 miles
WALKER, LA 70785
3333 DRUSILLA LN 32.0 miles
BATON ROUGE, LA 70809
291 LIBERTY ST 32.1 miles
HOUMA, LA 70360
855 BELANGER ST STE 108 32.1 miles
HOUMA, LA 70360
855 Belanger Street, Suite 105 32.1 miles
Houma, LA 70360
826 SCHOOL STREET 32.2 miles
HOUMA, LA 70360
144 VALHI LAGOON XING 32.2 miles
HOUMA, LA 70360
818 VERRET ST 32.2 miles
HOUMA, LA 70360
9542 Brookline Ave Ste C 32.2 miles
Baton Rouge, LA 70809
606 LIBERTY ST 32.3 miles
HOUMA, LA 70360
19115 FLORIDA BLVD 32.3 miles
ALBANY, LA 70711
18261 ESTERBROOK RD 32.3 miles
PONCHATOULA, LA 70454
1161B Saint Charles St 32.4 miles
HOUMA, LA 70360
59315 RIVER WEST DR STE C 32.8 miles
PLAQUEMINE, LA 70764
108 LOIS RD 33.1 miles
HOUMA, LA 70363
1525 DICKORY AVE 33.3 miles
NEW ORLEANS, LA 70123
1900 S MORRISON BLVD 33.4 miles
HAMMOND, LA 70403
42078 VETERANS AVE STE C 33.5 miles
HAMMOND, LA 70403
1445 South Morrison Boulevard, 33.5 miles
Hammond, LA 70403
200 CLENDENNING RD 33.5 miles
HOUMA, LA 70363
1109 C M FAGAN DRIVE SUITE J 33.5 miles
HAMMOND, LA 70403
8742 GOODWOOD BLVD 33.5 miles
BATON ROUGE, LA 70806
4539 N I 10 SERVICE RD W STE 101 33.6 miles
METAIRIE, LA 70006
604 CHEVELLE CT STE B 33.8 miles
BATON ROUGE, LA 70806
4770 S I 10 Service Rd W, Suite 210 33.9 miles
Metairie, LA 70001
4521 JAMESTOWN AVE STE 2 34.1 miles
BATON ROUGE, LA 70808
4200 HOUMA BLVD 34.1 miles
METAIRIE, LA 70006
4330 LOVELAND ST, SUITE C 34.2 miles
METAIRIE, LA 70006
3601 HOUMA BLVD STE 210 34.3 miles
METAIRIE, LA 70006
3601 HOUMA BLVD STE 203 34.3 miles
METAIRIE, LA 70006
200 HICKORY AVE 34.3 miles
HARAHAN, LA 70123
1735 1/2 SW RAILROAD AVE 34.3 miles
HAMMOND, LA 70403
3100 HOUMA BLVD 34.4 miles
METAIRIE, LA 70006
5440 MOUNES ST Ste 110 34.4 miles
HARAHAN, LA 70123
4713 UTICA ST 34.5 miles
METAIRIE, LA 70006
13466 Vera McGowen Rd 34.6 miles
Walker, LA 70785
5800 PLAUCHE CT 34.6 miles
NEW ORLEANS, LA 70123
2821 RICHLAND AVE STE 100 34.7 miles
METAIRIE, LA 70002
3908 Veterans Memorial Blvd, 34.7 miles
Metairie, LA 70002
3235 PERKINS RD 34.9 miles
BATON ROUGE, LA 70808
1320 N MORRISON BLVD STE 106 35.1 miles
HAMMOND, LA 70401
2637 EDENBORN AVE STE 303 35.4 miles
METAIRIE, LA 70002
9985 GREENWELL SPRINGS RD 35.4 miles
BATON ROUGE, LA 70814
INFIRMARY DR 35.5 miles
BATON ROUGE, LA 70801
4015 JEFFERSON HWY 35.5 miles
JEFFERSON, LA 70121
3300 W ESPLANADE AVE S 35.6 miles
METAIRIE, LA 70002
1221 S CLEARVIEW PKWY BLDG A FIRST FLOOR 35.8 miles
NEW ORLEANS, LA 70121
3117 7TH ST 35.8 miles
METAIRIE, LA 70002
200 FORD INDUSTRIAL RD 36.0 miles
AMELIA, LA 70340
3600 FLORIDA BLVD 36.2 miles
BATON ROUGE, LA 70806
1201 KENNETH ST 36.4 miles
MORGAN CITY, LA 70380
1125 MARGUERITE ST 36.4 miles
MORGAN CITY, LA 70380
7640 LA HIGHWAY 1 S 36.6 miles
ADDIS, LA 70710
1122 8TH ST 36.6 miles
MORGAN CITY, LA 70380
7710 HIGHWAY 182 E STE 1 36.6 miles
MORGAN CITY, LA 70380
1124 7TH ST 36.6 miles
MORGAN CITY, LA 70380
1038 MAIN ST 37.3 miles
BATON ROUGE, LA 70802
401 4TH ST 37.8 miles
BRIDGE CITY, LA 70094
4640 S CARROLLTON AVE STE 225 39.2 miles
New Orleans, LA 70119
5243 TCHOUPITOULAS ST 39.4 miles
NEW ORLEANS, LA 70115
618 N CARROLLTON AVE 39.5 miles
NEW ORLEANS, LA 70119
2820 Napoleon Avenue, Suite 230 39.6 miles
New Orleans, LA 70115
1751 GENTILLY BLVD - DERBY BUILDING 40.1 miles
NEW ORLEANS, LA 70119
2714 CANAL ST STE 102 40.2 miles
NEW ORLEANS, LA 70119
2532 TULANE AVE 40.2 miles
NEW ORLEANS, LA 70119
3525 Prytania Street, Suite 506 40.4 miles
New Orleans, LA 70115
1716 CLEVELAND AVE 40.8 miles
NEW ORLEANS, LA 70112
4700 Wichers Dr, 40.8 miles
Marrero, LA 70072
1625 Barataria Blvd 40.8 miles
Marrero, LA 70072
1101 MEDICAL CENTER BLVD 40.8 miles
MARRERO, LA 70072
4475 WESTBANK EXPY 40.8 miles
MARRERO, LA 70072
1660 BARATARIA BLVD 40.9 miles
MARRERO, LA 70072
1340 POYDRAS ST STE 2040 40.9 miles
NEW ORLEANS, LA 70112
1716 SAINT CHARLES AVE 41.2 miles
NEW ORLEANS, LA 70130
1010 COMMON ST STE 2970 41.2 miles
NEW ORLEANS, LA 70112
318 BARONNE ST 41.2 miles
NEW ORLEANS, LA 70112
6305 Elysian Fields Avenue, Suite 302 41.3 miles
New Orleans, LA 70122
750 CAMP ST 41.4 miles
NEW ORLEANS, LA 70130
900 MAGAZINE ST 41.5 miles
NEW ORLEANS, LA 70130
12902 PLANK RD 41.7 miles
BAKER, LA 70714
1260 DESTREHAN AVE 41.8 miles
HARVEY, LA 70058
13554 HIGHWAY 3235 42.7 miles
LAROSE, LA 70373
2127 BELLE CHASSE HWY 43.3 miles
GRETNA, LA 70053
2439 MANHATTAN BLVD STE 502 43.7 miles
HARVEY, LA 70058
1581 CAROL SUE AVE STE E 43.8 miles
TERRYTOWN, LA 70056
107 WALL BLVD STE A 44.6 miles
GRETNA, LA 70056
148 WALL BLVD 44.7 miles
GRETNA, LA 70056
107 Wall Blvd Suite A 44.7 miles
Gretna, LA 70056
8080 CROWDER BLVD STE C 44.9 miles
NEW ORLEANS, LA 70127
1111 Greengate Drive 44.9 miles
Covington, LA 70433
120 MEADOWCREST ST 45.0 miles
GRETNA, LA 70056
211 W CA-- USEWAY APPROACH 45.0 miles
MANDEVILLE, LA 70471
2600 Belle Chasse Hwy STE 201 45.0 miles
Terrytown, LA 70056
16300 HIGHWAY 1085 45.0 miles
COVINGTON, LA 70433
4430 HIGHWAY 22 45.0 miles
MANDEVILLE, LA 70471
2600 Belle Chasse Highway, Suite 207 45.0 miles
Gretna, LA 70056
7240 CROWDER BLVD STE 300-E 45.1 miles
NEW ORLEANS, LA 70127
3515 LA HIGHWAY 1 S 45.2 miles
PORT ALLEN, LA 70767
113 LAPALCO BLVD STE 204 45.3 miles
GRETNA, LA 70056
4244 Highway 22, 45.5 miles
Mandeville, LA 70471
2330 N CAUSEWAY BLVD 45.7 miles
MANDEVILLE, LA 70471
10000 I 10 SERVICE RD 46.2 miles
NEW ORLEANS, LA 70127
67252 INDUSTRY LN 46.4 miles
COVINGTON, LA 70433
71380 HIGHWAY 21 STE 102 46.7 miles
COVINGTON, LA 70433
8050 W JUDGE PEREZ DR STE 1300 46.8 miles
CHALMETTE, LA 70043
6300 MAIN ST 46.9 miles
ZACHARY, LA 70791
16148 W MAIN ST 47.2 miles
CUT OFF, LA 70345
9001 PATRICIA ST STE 116 47.3 miles
CHALMETTE, LA 70043
1202 S TYLER ST 47.3 miles
COVINGTON, LA 70433
19900 OLD SCENIC HWY STE H I 47.5 miles
ZACHARY, LA 70791
303 W JUDGE PEREZ DR 47.6 miles
CHALMETTE, LA 70043
118 W 111TH ST 47.6 miles
CUT OFF, LA 70345
706 W 15th Ave, 47.7 miles
Covington, LA 70433
360 EMERALD FOREST BLVD STE H 48.0 miles
COVINGTON, LA 70433
360 Emerald Forest Blvd Suite H 48.1 miles
Covington, LA 70433
606 HAIFLEIGH ST 48.1 miles
FRANKLIN, LA 70538
108 N MYRTLE ST 48.4 miles
AMITE, LA 70422
309 WALNUT ST STE A 48.6 miles
AMITE, LA 70422
301 WALNUT ST 48.6 miles
AMITE, LA 70422
200 W 134TH PL 49.3 miles
CUT OFF, LA 70345
In addition to our Drug, Alcohol and DNA testing centers located in Grand Point, LA and the surrounding areas, Accredited Drug Testing also has testing centers located in most cities throughout the State of . Call us today to find the closest testing center near you.
Scheduling a Drug, Alcohol or DNA Test is fast and easy, call us today or click the express scheduling button.
800-221-4291
Schedule Drug, Alcohol, DNA Tests
Handy Resources
Comprehensive Online Resources for Drug Testing
- National Institute on Drug Abuse (NIDA)
Provides comprehensive information on drug testing and its role in substance use disorder treatment.
- FDA: Drug Testing
Explains the FDA's role and regulations concerning drug testing for consumers.
- PDR.net
Provides detailed drug information and safety updates through a mobile-friendly platform.
- BeSafeRx - FDA
Resource by the FDA to help consumers identify and choose safe online pharmacies.
- SAMHSA: Drug Testing Resources for the Workplace
Resources and guidelines for drug testing in the workplace.
- Drugs.com
Provides drug information, side effects, and interactions for consumers and professionals.
- Drug Abuse Screening Test (DAST)
Online version of the DAST to help individuals assess whether they have a drug problem.
- Merck Manuals
Consumer-friendly medical resource providing comprehensive information on a wide array of health topics, including drug testing.
- SAMHSA Store
Provides access to resources and publications on substance use prevention and treatment.
- National Association of Boards of Pharmacy (NABP)
Information on state boards of pharmacy and regulations, including those related to drug testing.
- CDC: Workplace Health Promotion
CDC's resources on substance use and drug testing in the workplace.
- Mayo Clinic: Drug Testing
General information about the procedures and types of drug tests.
- MedlinePlus: Drug Testing
Offers information about various drug tests and their uses in medical diagnosis and treatment.
- University of Rochester Medical Center Health Encyclopedia
Provides a detailed entry on drug testing, including how tests are conducted and what they detect.
- World Health Organization (WHO)
International guidelines and information on public health, including substance abuse and drug testing.
- Healthline: Drug Testing
Consumer health site offering information on how drug tests work and what they look for.
- WebMD: Drug Testing
Provides a patient-oriented overview of drug testing and its purposes.
- National Center for Biotechnology Information (NCBI)
Provides a vast database of scientific studies, including research on drug testing and its effectiveness.
AI Overview
Overview of Drug, Alcohol, and DNA Testing
Drug, alcohol, and DNA testing are three distinct types of biomedical tests that serve important roles in healthcare, legal, employment, and personal settings. Each type of testing helps in making informed decisions, ensuring safety, and understanding genetic information. Here, we explore the purposes and applications of these tests in a consumer context.
Drug and Alcohol Testing
Drug and alcohol testing are commonly used to detect the presence of illicit substances or alcohol in an individual's system. These tests are crucial in various professional and legal scenarios to ensure safety and compliance with regulations.
- Drug Testing: Typically involves analyzing urine, blood, hair, or saliva to detect illegal drugs or misuse of prescription medications. Common in employment settings, particularly for positions involving public safety, and in compliance with legal requirements such as those enforced by the Department of Transportation (DOT).
- Alcohol Testing: Measures blood alcohol content (BAC) through breath, blood, or urine tests. This is essential for enforcing drinking and driving laws, workplace policies, and in treatment programs for alcohol misuse.
DNA Testing
DNA testing involves analyzing a person's genetic material to gather information about ancestry, identify genetic disorders, establish family relationships, or aid in forensic investigations.
- Ancestry and Genealogy: Helps individuals trace family roots and understand ethnic backgrounds.
- Medical Testing: Identifies genetic predispositions to certain health conditions, aiding in early diagnosis and management of diseases.
- Paternity and Relationship Testing: Determines biological relationships, commonly used in paternity disputes and adoption cases.
- Forensic Testing: Assists in criminal investigations by identifying suspects or victims through genetic fingerprints.
Applications and Importance
These tests play pivotal roles in various sectors:
- Healthcare: Drug and DNA testing contribute to diagnosing diseases, managing treatment plans, and preventive health care.
- Legal and Forensic: Crucial in legal proceedings, including criminal justice, custody cases, and legal determinations of impairment.
- Employment: Employers utilize drug and alcohol testing to ensure a safe and productive workplace, especially in industries where safety is paramount.
In summary, drug, alcohol, and DNA testing provide essential data that helps protect public safety, enforce laws, and uncover important personal and health information. Each type of testing is governed by specific standards to ensure accuracy, privacy, and ethical handling of results.
Were you looking, instead, for:
"When You Need a Test, Choose the Best"
Accredited Drug Testing
Testing Centers Nationwide
(800)221-4291
For more information regarding the effects of drug abuse - Click Here
For more information on a drug free work place - Click Here
Local Area Info: Grand Canyon
The Grand Canyon (Hopi: Ongtupqa; Yavapai: Wi:ka?i:la, Navajo: Bidáá? Ha?azt?i? Tsékooh, Spanish: Gran Cañón) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters).
The canyon and adjacent rim are contained within Grand Canyon National Park, the Kaibab National Forest, Grand Canyon-Parashant National Monument, the Hualapai Indian Reservation, the Havasupai Indian Reservation and the Navajo Nation. President Theodore Roosevelt was a major proponent of preservation of the Grand Canyon area, and visited it on numerous occasions to hunt and enjoy the scenery.
Nearly two billion years of Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While some aspects about the history of incision of the canyon are debated by geologists, several recent studies support the hypothesis that the Colorado River established its course through the area about 5 to 6 million years ago. Since that time, the Colorado River has driven the down-cutting of the tributaries and retreat of the cliffs, simultaneously deepening and widening the canyon.