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Reforma Sierra Nevada

The Sierra Nevada map mod for American Truck Simulator expands the game world to include the stunning Sierra Nevada region in California and Nevada.

About this mod Versions
147,207 downloads 4.8 rating
Gallery 23 images

About this mod

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The Sierra Nevada map mod for American Truck Simulator expands the game world to include the stunning Sierra Nevada region in California, USA. Players can explore the scenic highways that wind through the towering peaks, verdant forests, and sparkling lakes of the Sierra Nevada mountain range. The mod includes detailed recreations of real-world locations such as Lake Tahoe, Yosemite National Park, and the city of Reno, Nevada. With challenging terrain and breathtaking scenery, the Sierra Nevada map mod offers a unique and immersive trucking experience for players.


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Mega Resources is required;

https://truckymods.io/american-truck-simulator/map-assets/reforma-mega-resources


1.21.162
2026-11-05
Supported Game Versions: 1.62 2613

*Compatibility update to ATS 1.62

*Added additional RT gas station areas, sleep areas in the map.

*Fix for viewpoints and photo trophies in Tioga Pass road in the map, you should be able to unlock RT rewards. Let me know if ther's anything missing.

*Fixed city exploration

*Fixed company delivery

1.19.161
2026-09-24
Supported Game Versions: 1.61 8784

*Compatibility update to ATS 1.61

*Included some areas for RT to rest and fuel (still WIP in some areas to improve)


Take notice that this mod will soon be obsolete when SCS releases Nevada rework.

1.16.160
2026-06-21
Supported Game Versions: 1.60 12910

Compatibility update to ATS 1.60

1.15.159
2026-05-08
Supported Game Versions: 1.59 8186

*Compatibility update to ATS 1.59

1.12.158
2026-02-16
Supported Game Versions: 1.58 12016

*Compatibility update to ATS 1.58

*Replaced all map garages, using new one provided by SCS

1.10.157
2025-11-20
Supported Game Versions: 1.57 13658

*Compatibility update to ATS 1.57

*Minor bug fixes.

1.8.156
2025-09-18
Supported Game Versions: 1.56 8690

*Compatibility update to ATS 1.56

1.7.3.155
2025-08-09
Supported Game Versions: 1.55 4748

*Fix update to city defs and companies issue

*Bug fixes over the map.


1.7.2.155
2025-07-15
Supported Game Versions: 1.55 4401

Fix Update Related to SCS Changes in ATS 1.55

We recently discovered an issue affecting all files, caused by changes in SCS’s game packing system for version 1.55.

To ensure proper game performance, you must replace all previous files with the updated ones.

The old files were causing in-game stuttering and low FPS, which should now be resolved with this new repack.

Additionally, this update includes several bug fixes on the map based on recent user reports.

1.7.1.155
2025-07-01
Supported Game Versions: 1.55 3162

*Compatibility update to ATS 1.55

*New fixes in different areas of the map.

1.6.154
2025-04-06
Supported Game Versions: 1.54 8758

*Added compatibility update to Missouri DLC (DLC NOT NEEDED)

*Bug fixes from 1.54 initial release

1.3.6.153
2024-12-11
Supported Game Versions: 1.53 11519

*Fixed mountain issues near Redding.

1.3.5.153
2024-12-02
Supported Game Versions: 1.53 1564

*Fixes issues over US 50, and CA 108, flying objects, cut plane rendering problem

1.3.152
2024-10-17
Supported Game Versions: 1.52 4721

Initial release of phase one Reforma Sierra Nevada Remake after California rework of 1.50. This remakes the following routes;

-US 50 east of Sacramento to South Lake Tahoe

-CA 108 Sonora Pass, Sonora California.

-CA 120 Tioga Pass

-CA 41 to Fresno California.

-Yosemite National Park, Yosemite Valley, Tunnel View


The remaining areas keeps the old Sierra Nevada from 2019, more areas will be revamped eventually.

2.6.6.149
2024-01-26
Supported Game Versions: 1.49 12125

*Bug fix over route CA 299 of a floating mountain along with other small fixes.

2.6.4
2023-11-30
Supported Game Versions: 1.49 6666

*Map updated to 1.49

*City def bug fixed

2.5.8
2023-08-03
Supported Game Versions: 1.48 8950

*General bug fixing in map

*Compatibility update to ATS 1.48 (no Oklahoma DLC needed)

2.5.6
2023-06-27
Supported Game Versions: 1.47 3118

*General fix update

2.5.4.1
2023-04-27
Supported Game Versions: 1.47 5895

*Map updated to 1.47

*Included ambient sound to all the map.

Get this mod v1.21.162
Eblem Verified Creator
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LicenseAll Rights Reserved
Initial Release2023-04-27
Current Version1.21.162
Compatibility1.62
Last Updated2026-11-05
Required Content Reforma Mega Resources
Downloads147,207
Rating
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This American Truck Simulator add-on was created by Eblem and shared in Maps for American Truck Simulator.
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