City of Rocks RV in Almo, Idaho, is the gateway campground at the entrance to the City of Rocks National Reserve in Cassia County — a partial-hookup (water and electric 20/30/50 amp) campground with big rig pull-through sites serving rock climbers, history enthusiasts, and high-desert nature explorers who make the pilgrimage to the City of Rocks' extraordinary collection of granite spires, domes, and pinnacles in the Albion Mountain range of southern Idaho. Almo's position at the base of the Silent City of Rocks gives City of Rocks RV the most convenient possible base for the reserve that outdoor recreation and history publications have consistently recognized as one of the most significant and most visually dramatic natural areas in the Pacific Northwest. Partial hookup sites with water and electric service at 20, 30, and 50 amps, big rig pull-through capacity, and Pioneer Bathrooms give guests the practical infrastructure for comfortable campground stays adjacent to one of the most unique geological landscapes in the American West. The campground's gateway position — literally at the entrance to the City of Rocks National Reserve — minimizes the drive between campsite and the reserve's trailheads, rock climbing routes, and historical sites. Pets are welcome. The City of Rocks National Reserve encompasses 14,407 acres of the Albion Mountains in Cassia County where 2.5-billion-year-old granite intrusions have eroded into the extraordinary collection of spires, domes, and balanced rocks that the California Trail's emigrant travelers named the "Silent City" in the 1840s — a landscape so otherworldly that the emigrants' diaries consistently described it in terms of architecture and urban analogy rather than conventional geological description. The reserve's 600 technical rock climbing routes, distributed across the granite formations from beginner slab climbs to expert crack and face routes, have made City of Rocks one of the premier rock climbing destinations in the western United States, with classic routes on formations like Elephant Rock, Morning Glory Spire, and The Parking Lot Wall drawing climbers specifically from across the Pacific Northwest and Intermountain West. The California Trail, one of the most heavily traveled overland emigrant routes of the 1840s-1860s, passed through the City of Rocks between 1843 and 1882 — and the granite formations of the Silent City preserves the original axle grease inscriptions that California-bound emigrants left on the smooth granite surfaces as informal guest registers documenting their passage westward. The National Park Service's interpretive program at the reserve interprets this trail heritage alongside the geological and biological character that make the City of Rocks a nationally significant landscape of multiple overlapping values. City of Rocks RV serves guests through the Cassia County outdoor recreation season from spring through fall, with the rock climbing season centered in the cooler months of May through June and September through October when the granite's surface temperature allows friction climbing that the July and August midday heat prevents. Twin Falls, 60 miles northwest, provides the full-service city's dining, lodging, and the Shoshone Falls — a Niagara-height waterfall on the Snake River sometimes called the Niagara of the West — that extends the day-trip range from the Almo base into the Snake River Plain's geological drama. Reserve sites ahead for the prime spring and fall rock climbing seasons, when the City of Rocks area's very limited commercial accommodation fills from the regional and national climbing community.
Campground rules and policies
Reservations
- Your reservation includes two adults and one vehicle per site (not including RV, the extra vehicle may not be a camper, camper van, or truck camper, these need a separate reservation).
- While each park attempts to accommodate your exact spot request, the on-site manager has the ultimate decision for spot placement.
- Children 17 and under stay free (up to 8 total). Additional fees apply for extra adults ($3) and/or vehicle/tow ($5) per day.
- Limited Dry Sites are available for a reduced price. Call for details.Check In / Check Out:
- Check-in time is 2 pm or later.
- Check-out time is by 12 pm.
- No early check-ins or late check-outs without approval. (Additional fees apply)
- Late check-out (5 pm) with a $10 fee available with approval.Lots are two sites long:
- Please pull your RV to the end of the double lot.
- This allows another RV to pull in behind yours. Failure to pull all the way forward will result in fees for 2 lots.
- A visitor fee of $3 per person and $5 per vehicle per day is required to enter the RV Park.
- Visitors must leave by 10 pm. Please use the Self-Pay box.
- Parking in designated areas only. No driving or parking in camping areas.
- Sign damage is a $20 fee. Pedestal or Hydrant damage is a $100 to $400 fee based on the extent of the damage. Please report all damages.
- The speed limit is 5 mph and is enforced at all times.
- Damaging trees or shrubs and digging trenches, ditches, or holes is strictly prohibited.Children:
- Children must be supervised at all times.
- Parents/Guardians are responsible for children's safe conduct, injuries, and/or damage that they incur or cause.
- Do not let children wander or move/throw rocks or logs.
- Unsupervised children causing disruptions for guests may be asked to leave the park with their group.
- Children under 18 must be at their campsite during quiet hours unless accompanied by an adult.
- Playing in or around restrooms, garbage, or with trees is not allowed.Quiet Hours:
- Quiet hours are from 10 pm to 7 am.
- Please be respectful of your neighbors.General:
- Fireworks are prohibited.
- Firearms or weapons of any kind including bb, pellet, or airsoft, are not to be loaded or discharged on the premises.
- Alcoholic beverages are permitted at campsites only.
-- Alcohol consumed or possessed by a minor is not permitted. Excessive drinking will result in eviction from the campground.
- Campfires in designated fire ring only.
-- Firewood must fit inside the fire ring.
-- No cans, bottles, plastics, food, cigarettes, cigars, or rocks are permitted in the fire ring.
-- Never leave a fire unattended and put it out completely before leaving or going to sleep at night.
-- YOU are responsible for keeping fires under control. Do not leave garbage in the fire ring. Violators will be charged $20.
- ATVs or any other motorized vehicles can only be ridden into or out of the park. Driving around the park is not allowed.
- No RC cars or flying objects are allowed. Flipped rocks can break windshields and cause damage you pay for.
- No trimming trees (damage fees apply). Firewood bundles are available for purchase.
- Be sure to close awnings when leaving your rig unattended. High wind gusts can come unexpectedly.
- Garbage should be in sealed plastic bags and placed in dumpsters behind restrooms. Burning garbage is prohibited.
- Campers are to confine themselves to their own campsites. If you extend into another campsite, you will be charged for that site.
- Climbing on or crossing over fences is not permitted. The area above the campground thru the gate is private and off-limits.
- You must be 18 or older to reserve a site.
- The cleanliness of the park is important to us. Sites are to be kept clean and orderly as determined by management.
- Please leave restrooms as you would like to find them. If they need attention please notify management.
- Management reserves the right to terminate reservations or refuse entry to any person who has evidenced a disregard for the rules without a refund.
- Guests and their visitors agree to use the campground at their own risk. The management and owners are not responsible for damage, injury, or loss to persons, pets, or property.
- We reserve the right to make changes to the rules, regulations, and fees that we deem necessary.Pet Policy:
- The City of Rocks RV is a pet-friendly park and we ask that you be a responsible pet owner when bringing pets with you.
- Pets are certainly welcome - a maximum number of pets per reservation is 2. (no exceptions)
- All pets must be leashed and under the physical control of the adult owner/handler at all times.
- Owners of pets wandering to other sites or around the park unattended may be asked to leave with no refund.
- Do not leave your pet outside unattended.
- Please use pet areas and not common areas and/or RV sites for potty sites. The tent site area is not for pets.
- Failure to pick up after your pet will result in a $25 charge and/or loss of privilege to bring pets.
- Disregarding Pet Policy rules and/or excessive barking may cause your party to be asked to leave with no refunds provided.
- Animals with a history of biting or injuring other pets or people are not allowed. All pets must be up to date on current shots and have proof on hand if requested by Park Management.No Shows:
- If you have not arrived for your reservation by 8 am on the 2nd day and we haven't heard from you, it will be canceled with no refund and will be opened up to others.
City of Rocks RV in Almo, Idaho, is the gateway campground at the entrance to the City of Rocks National Reserve in Cassia County — a partial-hookup (water and electric 20/30/50 amp) campground with big rig pull-through sites serving rock climbers, history enthusiasts, and high-desert nature explorers who make the pilgrimage to the City of Rocks' extraordinary collection of granite spires, domes, and pinnacles in the Albion Mountain range of southern Idaho. Almo's position at the base of the Silent City of Rocks gives City of Rocks RV the most convenient possible base for the reserve that outdoor recreation and history publications have consistently recognized as one of the most significant and most visually dramatic natural areas in the Pacific Northwest. Partial hookup sites with water and electric service at 20, 30, and 50 amps, big rig pull-through capacity, and Pioneer Bathrooms give guests the practical infrastructure for comfortable campground stays adjacent to one of the most unique geological landscapes in the American West. The campground's gateway position — literally at the entrance to the City of Rocks National Reserve — minimizes the drive between campsite and the reserve's trailheads, rock climbing routes, and historical sites. Pets are welcome. The City of Rocks National Reserve encompasses 14,407 acres of the Albion Mountains in Cassia County where 2.5-billion-year-old granite intrusions have eroded into the extraordinary collection of spires, domes, and balanced rocks that the California Trail's emigrant travelers named the "Silent City" in the 1840s — a landscape so otherworldly that the emigrants' diaries consistently described it in terms of architecture and urban analogy rather than conventional geological description. The reserve's 600 technical rock climbing routes, distributed across the granite formations from beginner slab climbs to expert crack and face routes, have made City of Rocks one of the premier rock climbing destinations in the western United States, with classic routes on formations like Elephant Rock, Morning Glory Spire, and The Parking Lot Wall drawing climbers specifically from across the Pacific Northwest and Intermountain West. The California Trail, one of the most heavily traveled overland emigrant routes of the 1840s-1860s, passed through the City of Rocks between 1843 and 1882 — and the granite formations of the Silent City preserves the original axle grease inscriptions that California-bound emigrants left on the smooth granite surfaces as informal guest registers documenting their passage westward. The National Park Service's interpretive program at the reserve interprets this trail heritage alongside the geological and biological character that make the City of Rocks a nationally significant landscape of multiple overlapping values. City of Rocks RV serves guests through the Cassia County outdoor recreation season from spring through fall, with the rock climbing season centered in the cooler months of May through June and September through October when the granite's surface temperature allows friction climbing that the July and August midday heat prevents. Twin Falls, 60 miles northwest, provides the full-service city's dining, lodging, and the Shoshone Falls — a Niagara-height waterfall on the Snake River sometimes called the Niagara of the West — that extends the day-trip range from the Almo base into the Snake River Plain's geological drama. Reserve sites ahead for the prime spring and fall rock climbing seasons, when the City of Rocks area's very limited commercial accommodation fills from the regional and national climbing community.
Campground rules and policies
Reservations
- Your reservation includes two adults and one vehicle per site (not including RV, the extra vehicle may not be a camper, camper van, or truck camper, these need a separate reservation).
- While each park attempts to accommodate your exact spot request, the on-site manager has the ultimate decision for spot placement.
- Children 17 and under stay free (up to 8 total). Additional fees apply for extra adults ($3) and/or vehicle/tow ($5) per day.
- Limited Dry Sites are available for a reduced price. Call for details.Check In / Check Out:
- Check-in time is 2 pm or later.
- Check-out time is by 12 pm.
- No early check-ins or late check-outs without approval. (Additional fees apply)
- Late check-out (5 pm) with a $10 fee available with approval.Lots are two sites long:
- Please pull your RV to the end of the double lot.
- This allows another RV to pull in behind yours. Failure to pull all the way forward will result in fees for 2 lots.
- A visitor fee of $3 per person and $5 per vehicle per day is required to enter the RV Park.
- Visitors must leave by 10 pm. Please use the Self-Pay box.
- Parking in designated areas only. No driving or parking in camping areas.
- Sign damage is a $20 fee. Pedestal or Hydrant damage is a $100 to $400 fee based on the extent of the damage. Please report all damages.
- The speed limit is 5 mph and is enforced at all times.
- Damaging trees or shrubs and digging trenches, ditches, or holes is strictly prohibited.Children:
- Children must be supervised at all times.
- Parents/Guardians are responsible for children's safe conduct, injuries, and/or damage that they incur or cause.
- Do not let children wander or move/throw rocks or logs.
- Unsupervised children causing disruptions for guests may be asked to leave the park with their group.
- Children under 18 must be at their campsite during quiet hours unless accompanied by an adult.
- Playing in or around restrooms, garbage, or with trees is not allowed.Quiet Hours:
- Quiet hours are from 10 pm to 7 am.
- Please be respectful of your neighbors.General:
- Fireworks are prohibited.
- Firearms or weapons of any kind including bb, pellet, or airsoft, are not to be loaded or discharged on the premises.
- Alcoholic beverages are permitted at campsites only.
-- Alcohol consumed or possessed by a minor is not permitted. Excessive drinking will result in eviction from the campground.
- Campfires in designated fire ring only.
-- Firewood must fit inside the fire ring.
-- No cans, bottles, plastics, food, cigarettes, cigars, or rocks are permitted in the fire ring.
-- Never leave a fire unattended and put it out completely before leaving or going to sleep at night.
-- YOU are responsible for keeping fires under control. Do not leave garbage in the fire ring. Violators will be charged $20.
- ATVs or any other motorized vehicles can only be ridden into or out of the park. Driving around the park is not allowed.
- No RC cars or flying objects are allowed. Flipped rocks can break windshields and cause damage you pay for.
- No trimming trees (damage fees apply). Firewood bundles are available for purchase.
- Be sure to close awnings when leaving your rig unattended. High wind gusts can come unexpectedly.
- Garbage should be in sealed plastic bags and placed in dumpsters behind restrooms. Burning garbage is prohibited.
- Campers are to confine themselves to their own campsites. If you extend into another campsite, you will be charged for that site.
- Climbing on or crossing over fences is not permitted. The area above the campground thru the gate is private and off-limits.
- You must be 18 or older to reserve a site.
- The cleanliness of the park is important to us. Sites are to be kept clean and orderly as determined by management.
- Please leave restrooms as you would like to find them. If they need attention please notify management.
- Management reserves the right to terminate reservations or refuse entry to any person who has evidenced a disregard for the rules without a refund.
- Guests and their visitors agree to use the campground at their own risk. The management and owners are not responsible for damage, injury, or loss to persons, pets, or property.
- We reserve the right to make changes to the rules, regulations, and fees that we deem necessary.Pet Policy:
- The City of Rocks RV is a pet-friendly park and we ask that you be a responsible pet owner when bringing pets with you.
- Pets are certainly welcome - a maximum number of pets per reservation is 2. (no exceptions)
- All pets must be leashed and under the physical control of the adult owner/handler at all times.
- Owners of pets wandering to other sites or around the park unattended may be asked to leave with no refund.
- Do not leave your pet outside unattended.
- Please use pet areas and not common areas and/or RV sites for potty sites. The tent site area is not for pets.
- Failure to pick up after your pet will result in a $25 charge and/or loss of privilege to bring pets.
- Disregarding Pet Policy rules and/or excessive barking may cause your party to be asked to leave with no refunds provided.
- Animals with a history of biting or injuring other pets or people are not allowed. All pets must be up to date on current shots and have proof on hand if requested by Park Management.No Shows:
- If you have not arrived for your reservation by 8 am on the 2nd day and we haven't heard from you, it will be canceled with no refund and will be opened up to others.