Where Are Kidneys Located in Your Body?
Your kidneys are two bean-shaped organs that play a major role in filtering waste, balancing fluids, supporting healthy blood pressure, and helping your body maintain proper mineral levels. But many people are surprised to learn that the kidneys are not located in the lower belly or near the front of the abdomen. So, where are kidneys located in the body?
Your kidneys are located in the back of your abdomen, on each side of your spine, just below your rib cage. They sit deeper inside the body than many people realize, protected by muscles, fat, and the lower ribs. Understanding kidney location can help you better recognize kidney-related discomfort, learn the difference between back pain and kidney pain, and understand why kidney health is so important.
Where Are Kidneys Located?
The kidneys are positioned toward the back of your body, in an area called the retroperitoneal space. This means they sit behind the lining of the abdominal cavity, not directly inside the main abdominal space where organs like the stomach and intestines are found.
Most people have two kidneys. One kidney is located on the left side of the spine, and the other kidney is located on the right side of the spine.
They are found roughly between the lower part of the rib cage and the upper part of the lower back. The left kidney usually sits slightly higher than the right kidney because the liver takes up space on the right side of the body.
What Side Are Your Kidneys On?
Your kidneys are located on both sides of your body. The left kidney is on the left side of your spine, and the right kidney is on the right side of your spine.
Because the kidneys sit toward the back of the body, kidney-related pain is often felt in the flank area. The flank is the area on either side of your back, between the bottom of the ribs and the top of the hips.
This is why some people may mistake kidney pain for regular back pain. However, kidney pain often feels deeper and may be located higher than typical lower back muscle pain.
How High Are the Kidneys in the Body?
The kidneys are located higher than many people think. They are not down near the pelvis or bladder. Instead, they sit in the upper back portion of the abdomen.
The kidneys are generally located below the rib cage, on both sides of the spine, above the waist, behind the stomach and intestines, and in front of the back muscles.
The lower ribs help protect part of the kidneys, especially the upper portion. This location gives the kidneys some protection while still allowing them to connect to blood vessels, nerves, and the urinary system.
Why Is the Right Kidney Lower Than the Left?
The right kidney usually sits slightly lower than the left kidney because of the liver. The liver is a large organ located on the upper right side of the abdomen. Since the liver takes up a lot of space, it pushes the right kidney slightly lower.
This is normal anatomy and does not mean there is anything wrong with the right kidney.
The left kidney typically has a little more room, so it sits slightly higher. Even though the kidneys are not perfectly even, they still perform the same essential functions.
What Do the Kidneys Do?
Now that you know where are kidneys located, it helps to understand what the kidneys actually do.
The kidneys filter blood all day and night. They remove waste products, extra fluid, and substances the body no longer needs. These waste products are turned into urine, which travels from the kidneys to the bladder through tubes called ureters.
The kidneys also help regulate fluid balance, blood pressure, electrolytes such as sodium and potassium, acid-base balance, red blood cell production, and vitamin D activation.
These functions are why kidney health affects so many areas of the body. When the kidneys are not working properly, waste and fluid can build up, and other body systems may be affected.
Where Is Kidney Pain Usually Felt?
Kidney pain is usually felt in the back or side of the body, near the lower ribs. This area is often called the flank.
Kidney pain may feel like a deep ache, pressure in the side or back, pain under the ribs, pain that spreads toward the lower abdomen or groin, or one-sided pain depending on which kidney is affected.
Kidney pain is not always easy to identify because it can overlap with muscle pain, spine issues, or digestive discomfort. However, pain from the kidneys often feels deeper and may not change much when you move, stretch, or change position.
Kidney Pain vs. Back Pain
Many people wonder whether pain near the lower back is coming from the kidneys or the muscles. While only a healthcare professional can properly evaluate the cause, there are some common differences.
Muscle-related back pain often gets worse with movement, lifting, bending, or twisting. It may improve with rest, stretching, heat, or massage.
Kidney-related pain may feel deeper and may be located higher in the back, closer to the ribs. It may also come with other symptoms such as fever, chills, nausea, painful urination, blood in the urine, or changes in urination.
If pain is severe, persistent, or comes with urinary symptoms, it is important to contact a healthcare provider.
Can You Feel Your Kidneys?
In most cases, you cannot feel your kidneys by pressing on your abdomen or back. The kidneys are located deep inside the body and are protected by surrounding tissue.
However, a person may feel pain or tenderness in the kidney area if there is irritation, infection, swelling, kidney stones, or another issue affecting the urinary tract.
It is important not to self-diagnose kidney problems based only on pain location. Many different conditions can cause discomfort in the back, side, abdomen, or ribs.
What Organs Are Near the Kidneys?
The kidneys are surrounded by several important organs and structures. Nearby organs and tissues include the adrenal glands, liver, spleen, pancreas, stomach, intestines, major blood vessels, back muscles, and ribs.
Each kidney also has an adrenal gland sitting on top of it. The adrenal glands produce hormones that help regulate stress response, blood pressure, and other body functions.
The kidneys are also closely connected to large blood vessels because they filter large amounts of blood throughout the day.
How Are the Kidneys Connected to the Bladder?
The kidneys make urine, but the bladder stores it. Each kidney is connected to the bladder by a thin tube called a ureter.
Here is the basic path: the kidneys filter the blood, waste and extra fluid become urine, urine travels down the ureters, the bladder stores urine, and urine leaves the body through the urethra.
This system is called the urinary tract. A problem in any part of the urinary tract can sometimes cause symptoms that seem related to the kidneys, including pain, burning, urgency, or changes in urination.
Symptoms That May Suggest a Kidney Problem
Knowing where are kidneys located in the body may help you understand possible warning signs. Kidney problems do not always cause obvious pain, especially in the early stages. That is why blood and urine tests are important for evaluating kidney function.
Possible symptoms of a kidney or urinary issue may include pain in the side or back near the ribs, painful or burning urination, blood in the urine, foamy urine, swelling in the feet or ankles, high blood pressure, fatigue, nausea, frequent urination at night, or fever and chills with urinary symptoms.
These symptoms do not always mean kidney disease, but they should not be ignored. A healthcare provider can check kidney function with tests such as eGFR, creatinine, BUN, urine albumin, and urinalysis.
Why Kidney Location Matters
Understanding kidney location matters because it helps people better describe symptoms. If you feel pain under the ribs, on one side of the back, or in the flank area, knowing where the kidneys sit can help you explain the discomfort more clearly to your doctor.
It can also help people understand why kidney problems sometimes cause pain in unexpected places. For example, kidney stones may cause pain that starts in the flank and travels toward the lower abdomen or groin.
Kidney location also explains why injuries to the back or side of the body can sometimes affect the kidneys, especially if the impact is strong.
How to Support Kidney Health
While kidney location is important to understand, kidney function is even more important. The kidneys work constantly to help keep the body balanced.
General kidney-supportive habits may include staying hydrated based on your healthcare provider’s advice, managing blood pressure, managing blood sugar, limiting excess sodium, avoiding unnecessary use of NSAID pain relievers unless approved by your doctor, and getting regular kidney function testing if you are at risk.
People with kidney disease, diabetes, high blood pressure, heart disease, or a family history of kidney problems should work with a healthcare provider for personalized guidance.
Final Thoughts
So, where are kidneys located in your body? Your kidneys are located toward the back of your abdomen, on both sides of your spine, just below the rib cage. The left kidney usually sits slightly higher than the right kidney because the liver takes up space on the right side.
Kidney pain is often felt in the flank area, which is the side of the back between the ribs and hips. However, not all back or side pain comes from the kidneys. Muscle strain, spine problems, digestive issues, and other conditions can also cause pain in similar areas.
If you have severe pain, urinary changes, fever, blood in the urine, swelling, or ongoing symptoms, speak with a healthcare professional. Understanding kidney location is helpful, but proper testing is the best way to know how your kidneys are functioning.
